Winners : 1) With height +1 : offer predefined image sizes. 2) With five +1 : allow to edit image width _and_ height. 3) With seven +1 : offer text flow option. 4) With height +1 : have a simple preview using images. 5) With height +1 : source + options in the same screen for external images (b). See the mockups here : http://dev.xwiki.org/xwiki/bin/view/Design/NewWysiwygEditorInterface#HImage A question from Vincent has not been answered here nor in the link thread : ability to filter nodes appearing in the tree. The suggest input under the tree must be powerful enough to avoid this need. Thanks, JV.