diff --git a/pom.xml b/pom.xml
index b2e9d3c..2f9083f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -3,7 +3,6 @@
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
 
 	<modelVersion>4.0.0</modelVersion>
-
 	<parent>
 		<artifactId>maven-parent</artifactId>
 		<groupId>org.gcube.tools</groupId>
@@ -94,6 +93,11 @@
 			<artifactId>social-networking-library</artifactId>
 			<scope>provided</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.gcube.portlets.widgets</groupId>
+			<artifactId>image-previewer-widget</artifactId>
+			<version>1.0.0-SNAPSHOT</version>
+		</dependency>
 		<dependency>
 			<groupId>org.gcube.common</groupId>
 			<artifactId>home-library</artifactId>
diff --git a/src/main/java/org/gcube/portlets/user/newsfeed/client/ui/AttachmentPreviewer.java b/src/main/java/org/gcube/portlets/user/newsfeed/client/ui/AttachmentPreviewer.java
index 88f6932..777837f 100644
--- a/src/main/java/org/gcube/portlets/user/newsfeed/client/ui/AttachmentPreviewer.java
+++ b/src/main/java/org/gcube/portlets/user/newsfeed/client/ui/AttachmentPreviewer.java
@@ -1,14 +1,15 @@
 package org.gcube.portlets.user.newsfeed.client.ui;
 
 import org.gcube.portal.databook.shared.Attachment;
+import org.gcube.portlets.widgets.imagepreviewerwidget.client.ui.Carousel;
 
 import com.google.gwt.core.client.GWT;
+import com.google.gwt.dom.client.Style.Cursor;
 import com.google.gwt.dom.client.Style.Unit;
 import com.google.gwt.event.dom.client.ClickEvent;
 import com.google.gwt.event.dom.client.ClickHandler;
 import com.google.gwt.uibinder.client.UiBinder;
 import com.google.gwt.uibinder.client.UiField;
-import com.google.gwt.user.client.Window;
 import com.google.gwt.user.client.ui.Anchor;
 import com.google.gwt.user.client.ui.Composite;
 import com.google.gwt.user.client.ui.HTMLPanel;
@@ -48,9 +49,15 @@ public class AttachmentPreviewer extends Composite {
 
 	@UiField
 	Anchor showPreviewLabel;
+	
+	@UiField
+	Label labelSeparator;
 
 	// save attachment
 	private Attachment attachment;
+	
+	// carousel reference
+	private Carousel carousel;
 
 	public AttachmentPreviewer(Attachment a) {
 
@@ -73,18 +80,27 @@ public class AttachmentPreviewer extends Composite {
 		downloadLabel.setHref(attachment.getUri());
 		downloadLabel.setTarget("_blank");
 
-		// preview TODO
-		showPreviewLabel.setText("Show");
-		showPreviewLabel.addClickHandler(new ClickHandler() {
+		// preview in case of an image
+		if(a.getMimeType().contains("image/")){
+			
+			showPreviewLabel.setText("Show");
+			showPreviewLabel.addClickHandler(new ClickHandler() {
 
-			@Override
-			public void onClick(ClickEvent event) {
+				@Override
+				public void onClick(ClickEvent event) {
 
-				Window.alert("Image preview widget will be made soon...");
+					carousel.show();
+
+				}
+			});
+
+		}else{
+			
+			// hide the show button and the separator label
+			showPreviewLabel.setVisible(false);
+			labelSeparator.setVisible(false);
+		}
 
-			}
-		});
-		
 		// style links
 		downloadLabel.addStyleName("link");
 		showPreviewLabel.addStyleName("link");
@@ -101,5 +117,32 @@ public class AttachmentPreviewer extends Composite {
 		attachmentContainer.getElement().getStyle().setWidth(newWidth, unit);
 
 	}
+	
+	/**
+	 * Set carousel to open when the user clicks on the image.
+	 * @param carousel
+	 */
+	public void onImageClickOpenCarousel(final Carousel carousel) {
+		
+		// save it
+		this.carousel = carousel;
+
+		// change cursor type on hover
+		imagePreview.getElement().getStyle().setCursor(Cursor.POINTER);
+		
+		// change tooltipe
+		imagePreview.setTitle("Click for a preview");
+
+		// add handler
+		imagePreview.addClickHandler(new ClickHandler() {
+
+			@Override
+			public void onClick(ClickEvent event) {
+
+				carousel.show();
+
+			}
+		});
+	}
 
 }
diff --git a/src/main/java/org/gcube/portlets/user/newsfeed/client/ui/AttachmentPreviewer.ui.xml b/src/main/java/org/gcube/portlets/user/newsfeed/client/ui/AttachmentPreviewer.ui.xml
index 0514b54..e56fd72 100644
--- a/src/main/java/org/gcube/portlets/user/newsfeed/client/ui/AttachmentPreviewer.ui.xml
+++ b/src/main/java/org/gcube/portlets/user/newsfeed/client/ui/AttachmentPreviewer.ui.xml
@@ -45,7 +45,7 @@
 	
 	.display-inline-style {
 		display: inline-block;
-		margin-right:5px;
+		margin-right: 5px;
 	}
 	</ui:style>
 	<g:HTMLPanel styleName="{style.container-style}" ui:field="attachmentContainer">
@@ -54,7 +54,7 @@
 			<g:Label ui:field="fileNameLabel" styleName="{style.label-filename-style}"></g:Label>
 			<g:HorizontalPanel>
 				<g:Anchor ui:field="downloadLabel" styleName="{style.label-download}"></g:Anchor>
-				<g:Label>-</g:Label>
+				<g:Label  ui:field="labelSeparator">-</g:Label>
 				<g:Anchor ui:field="showPreviewLabel" styleName="{style.label-show}"></g:Anchor>
 			</g:HorizontalPanel>
 		</g:VerticalPanel>
diff --git a/src/main/java/org/gcube/portlets/user/newsfeed/client/ui/LinkPreviewer.java b/src/main/java/org/gcube/portlets/user/newsfeed/client/ui/LinkPreviewer.java
index 66c00e9..ddaeafc 100644
--- a/src/main/java/org/gcube/portlets/user/newsfeed/client/ui/LinkPreviewer.java
+++ b/src/main/java/org/gcube/portlets/user/newsfeed/client/ui/LinkPreviewer.java
@@ -1,8 +1,10 @@
 package org.gcube.portlets.user.newsfeed.client.ui;
-
-
+import org.gcube.portlets.widgets.imagepreviewerwidget.client.ui.Carousel;
 
 import com.google.gwt.core.client.GWT;
+import com.google.gwt.dom.client.Style.Cursor;
+import com.google.gwt.event.dom.client.ClickEvent;
+import com.google.gwt.event.dom.client.ClickHandler;
 import com.google.gwt.uibinder.client.UiBinder;
 import com.google.gwt.uibinder.client.UiField;
 import com.google.gwt.user.client.ui.Composite;
@@ -10,27 +12,16 @@ import com.google.gwt.user.client.ui.HTML;
 import com.google.gwt.user.client.ui.Image;
 import com.google.gwt.user.client.ui.Widget;
 
+/**
+ * Link Previewer class to show a link a preview.
+ * @author Costantino Perciante at ISTI-CNR
+ * @author Massimiliano Assante at ISTI-CNR
+ */
 public class LinkPreviewer extends Composite {
-	private static LinkPreviewUiBinder uiBinder = GWT
-			.create(LinkPreviewUiBinder.class);
 
-	interface LinkPreviewUiBinder extends UiBinder<Widget, LinkPreviewer> {
-	}
+	// is the preview image still there ?
+	private boolean imageRemoved = false;
 	
-	public LinkPreviewer(String title, String titleDesc, String host, String linkThumbUrl, String url) {
-		initWidget(uiBinder.createAndBindUi(this));
-		if (linkThumbUrl == null || linkThumbUrl.equals("null"))
-			image.removeFromParent();
-		else {
-			image.setUrl(linkThumbUrl);
-			image.setWidth("80px");
-		}
-		titleArea.setHTML("<a class=\"link\" target=\"_blank\" href=\"" + url + "\">"+title+"</a> <span style=\"color: #333;\"> - " + host+ "</span>");
-		urlText.setHTML((url.length() > 70) ? url.substring(0, 70)+"..." : url);
-		String desc = titleDesc;
-		descText.setHTML((desc.length() > 256) ? desc.substring(0, 256)+"..." : desc);		
-		
-	}
 	@UiField
 	HTML titleArea;
 	@UiField
@@ -38,5 +29,59 @@ public class LinkPreviewer extends Composite {
 	@UiField
 	HTML descText;	
 	@UiField
-	Image image;	
+	Image image;
+
+	private static LinkPreviewUiBinder uiBinder = GWT
+			.create(LinkPreviewUiBinder.class);
+
+	interface LinkPreviewUiBinder extends UiBinder<Widget, LinkPreviewer> {
+	}
+
+	public LinkPreviewer(String title, String titleDesc, String host, String linkThumbUrl, String url) {
+		initWidget(uiBinder.createAndBindUi(this));
+		if (linkThumbUrl == null || linkThumbUrl.equals("null")){
+			
+			image.removeFromParent();
+			imageRemoved = true;
+
+		}
+		else {
+			
+			image.setUrl(linkThumbUrl);
+			image.setWidth("80px");
+			
+		}
+		titleArea.setHTML("<a class=\"link\" target=\"_blank\" href=\"" + url + "\">"+title+"</a> <span style=\"color: #333;\"> - " + host+ "</span>");
+		urlText.setHTML((url.length() > 70) ? url.substring(0, 70)+"..." : url);
+		String desc = titleDesc;
+		descText.setHTML((desc.length() > 256) ? desc.substring(0, 256)+"..." : desc);		
+
+	}
+
+	/**
+	 * Set carousel to open when the user clicks on the image.
+	 * @param carousel
+	 */
+	public void onImageClickOpenCarousel(final Carousel carousel) {
+
+		if(imageRemoved)
+			return;
+
+		// change cursor type on hover
+		image.getElement().getStyle().setCursor(Cursor.POINTER);
+		
+		// change tooltipe
+		image.setTitle("Click for a preview");
+
+		// add handler
+		image.addClickHandler(new ClickHandler() {
+
+			@Override
+			public void onClick(ClickEvent event) {
+
+				carousel.show();
+
+			}
+		});
+	}
 }
diff --git a/src/main/java/org/gcube/portlets/user/newsfeed/client/ui/TweetTemplate.java b/src/main/java/org/gcube/portlets/user/newsfeed/client/ui/TweetTemplate.java
index 14a0e3f..9c102a7 100644
--- a/src/main/java/org/gcube/portlets/user/newsfeed/client/ui/TweetTemplate.java
+++ b/src/main/java/org/gcube/portlets/user/newsfeed/client/ui/TweetTemplate.java
@@ -21,6 +21,8 @@ import org.gcube.portlets.user.newsfeed.client.event.SeeLikesEvent;
 import org.gcube.portlets.user.newsfeed.client.event.UnLikeEvent;
 import org.gcube.portlets.user.newsfeed.client.panels.NewsFeedPanel;
 import org.gcube.portlets.user.newsfeed.shared.EnhancedFeed;
+import org.gcube.portlets.widgets.imagepreviewerwidget.client.EnhancedImage;
+import org.gcube.portlets.widgets.imagepreviewerwidget.client.ui.Carousel;
 
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.core.client.RunAsyncCallback;
@@ -74,6 +76,9 @@ public class TweetTemplate extends Composite {
 
 	private TweetTemplate myInstance;
 
+	// Carousel from the image-previewer widget
+	private Carousel carousel;
+
 	/**
 	 * tell if this tweet is belonging to the current user
 	 */
@@ -133,6 +138,7 @@ public class TweetTemplate extends Composite {
 		Feed feed = myFeed.getFeed();
 		this.eventBus = eventBus;
 		this.isUsers = myFeed.isUsers();
+		this.carousel = new Carousel();
 		myComments = new ArrayList<SingleComment>();
 
 		if (isUsers || myUserInfo.isAdmin()) {
@@ -142,15 +148,38 @@ public class TweetTemplate extends Composite {
 			closeImage.removeFromParent();
 		}
 
-		GWT.log("Is feed multiupload? "  + feed.isMultiFileUpload());
 		// if there is one attachment, maintain backward compatibility
 		if (feed.getUri() != null && feed.getUri().compareTo("") != 0 && feed.getLinkTitle() != null && feed.getLinkTitle().compareTo("") != 0  && !feed.isMultiFileUpload()) {
 
-			// add link preview
-			previewPanel.add(new LinkPreviewer(feed.getLinkTitle(), feed.getLinkDescription(), feed.getLinkHost(), feed.getUriThumbnail(), feed.getUri()));
-
 			// hide the attachments panel
 			attachmentPreviewPanel.setVisible(false);
+
+			LinkPreviewer linkPreviewer = new LinkPreviewer(feed.getLinkTitle(), feed.getLinkDescription(), feed.getLinkHost(), feed.getUriThumbnail(), feed.getUri());
+
+			// enable the image previewer if it is an image (mime)
+			if(feed.getLinkHost().contains("image/")){
+
+				ArrayList<EnhancedImage> listOfEnhancedImages;
+
+				EnhancedImage enhancedImage = new EnhancedImage(
+						new com.github.gwtbootstrap.client.ui.Image(
+								feed.getUriThumbnail()), 
+								feed.getLinkTitle(), 
+								feed.getLinkTitle(), 
+								feed.getUri()
+						);
+
+				listOfEnhancedImages = new ArrayList<EnhancedImage>();
+				listOfEnhancedImages.add(enhancedImage);
+				carousel.updateImages(listOfEnhancedImages);
+
+				// set handler on the linkpreviewer image to show this carousel
+				linkPreviewer.onImageClickOpenCarousel(carousel);
+
+			}
+			
+			// add link preview
+			previewPanel.add(linkPreviewer);
 		}
 
 		// in case there are attachments, we have to fill attachmentPreviewPanel instead of the previewPanel
@@ -162,8 +191,10 @@ public class TweetTemplate extends Composite {
 			// hide link preview panel
 			previewPanel.setVisible(false);
 
+			// prepare the carousel
+			ArrayList<EnhancedImage> listOfEnhancedImages = new ArrayList<EnhancedImage>();
+
 			// remember that one attachment is stored in the fields: uri, uriThumbnail, linkTitle,  linkDescription, linkHost
-			// build up an attachment
 			Attachment firstAttachment = new Attachment(
 					feed.getKey(), // it is meaningless but it's needed
 					feed.getUri(), 
@@ -172,15 +203,57 @@ public class TweetTemplate extends Composite {
 					feed.getUriThumbnail(), 
 					feed.getLinkHost());
 
-			// add it to the panel
-			attachmentPreviewPanel.add(new AttachmentPreviewer(firstAttachment));
+			// create first attachment previewer and pass it the carousel
+			AttachmentPreviewer firstAttachmentPreviewer = new AttachmentPreviewer(firstAttachment);
+			
+			// check if it is an image
+			if(firstAttachment.getMimeType().contains("image/")){
 
-			for (Attachment otherAttachment : myFeed.getAttachments()) {
+				EnhancedImage enhancedImage = new EnhancedImage(
+						new com.github.gwtbootstrap.client.ui.Image(
+								feed.getUriThumbnail()), 
+								feed.getLinkTitle(), 
+								feed.getLinkTitle(), 
+								feed.getUri()
+						);
 
-				// try to build the attachment viewer
-				attachmentPreviewPanel.add(new AttachmentPreviewer(otherAttachment));
+				listOfEnhancedImages.add(enhancedImage);
+				firstAttachmentPreviewer.onImageClickOpenCarousel(carousel);
 
 			}
+			
+			// add the first attachment to the panel
+			attachmentPreviewPanel.add(firstAttachmentPreviewer);
+
+			// check the others
+			for (Attachment otherAttachment : myFeed.getAttachments()) {
+
+				AttachmentPreviewer attachmentPreviewer = new AttachmentPreviewer(otherAttachment);
+
+				if(otherAttachment.getMimeType().contains("image/")){
+
+					EnhancedImage enhancedImage = new EnhancedImage(
+							new com.github.gwtbootstrap.client.ui.Image(
+									otherAttachment.getThumbnailURL()), 
+									otherAttachment.getName(), 
+									otherAttachment.getName(), 
+									otherAttachment.getUri()
+							);
+
+					listOfEnhancedImages.add(enhancedImage);
+					
+					// pass the carousel
+					attachmentPreviewer.onImageClickOpenCarousel(carousel);
+
+				}
+
+				// try to build the attachment viewer
+				attachmentPreviewPanel.add(attachmentPreviewer);
+
+			}
+			
+			// update the carousel's images
+			carousel.updateImages(listOfEnhancedImages);
 
 			// invoke append label
 			attachmentPreviewPanel.appendShowMoreLabel();
diff --git a/src/main/java/org/gcube/portlets/user/newsfeed/server/NewsServiceImpl.java b/src/main/java/org/gcube/portlets/user/newsfeed/server/NewsServiceImpl.java
index e9397c3..eb6b09e 100644
--- a/src/main/java/org/gcube/portlets/user/newsfeed/server/NewsServiceImpl.java
+++ b/src/main/java/org/gcube/portlets/user/newsfeed/server/NewsServiceImpl.java
@@ -124,7 +124,7 @@ public class NewsServiceImpl extends RemoteServiceServlet implements NewsService
 	 */
 	public String getDevelopmentUser() {
 		String user = NewsConstants.TEST_USER;
-		//		user = "costantino.perciante";
+		user = "costantino.perciante";
 		return user;
 	}
 	/**
diff --git a/src/main/resources/org/gcube/portlets/user/newsfeed/NewsFeed.gwt.xml b/src/main/resources/org/gcube/portlets/user/newsfeed/NewsFeed.gwt.xml
index ed67b14..23c3bc7 100644
--- a/src/main/resources/org/gcube/portlets/user/newsfeed/NewsFeed.gwt.xml
+++ b/src/main/resources/org/gcube/portlets/user/newsfeed/NewsFeed.gwt.xml
@@ -18,6 +18,8 @@
 	<inherits name='org.gcube.portlets.widgets.sessionchecker.SessionChecker' />
 	<inherits name='org.gcube.portlets.widgets.pickitem.PickItem' />
 	<inherits name='org.gcube.portal.databook.GCubeSocialNetworking' />
+	
+	 <inherits name="org.gcube.portlets.widgets.imagepreviewerwidget.ImagePreviewer" />
 
 	<!-- Specify the app entry point class. -->
 	<entry-point class='org.gcube.portlets.user.newsfeed.client.NewsFeed' />