Hi, integrating a better image editor in the future would be good, with crop function and logo creator (big fonts, bezel, 3d effects, etc + clipart, kind of assistant) for example.

Maybe you could integrate a third party image editor inside the wysiwyg editor, would be the fastest way.
Example of logo creator: http://creatr.cc/creatr/
another example of logo creator: http://thefreelogomakers.com/generators/fr...5&desc=Free