diff --git a/src/main/resources/org/gcube/portlets/user/td/client/resource/column-add.png b/src/main/resources/org/gcube/portlets/user/td/client/resource/column-add.png new file mode 100644 index 0000000..cd434d2 Binary files /dev/null and b/src/main/resources/org/gcube/portlets/user/td/client/resource/column-add.png differ diff --git a/src/main/resources/org/gcube/portlets/user/td/client/resource/column-add_32.png b/src/main/resources/org/gcube/portlets/user/td/client/resource/column-add_32.png new file mode 100644 index 0000000..c987f8c Binary files /dev/null and b/src/main/resources/org/gcube/portlets/user/td/client/resource/column-add_32.png differ