Kathy,
the *idea* of image editing on the device is not impeding on anything.
I suggest you look at the results of the cocreation workshop we took part in at the summit, part of those were related to media editing and shaking up what is possible on the go.

http://talk.maemo.org/showthread.php?t=32619

these sorts of applications are possible, but would require a much more deliberate and planned collaborative effort to get underway in any substantial manner.

taking those ideas beyond the paper stage is hard though and without solid hard work proving the case, they will remain exactly that - ideas.

just look at what I'm starting with liqbase, I could not have expected support in coding or monetary terms 18 months ago had I came and said I have some ideas.
Now, after coding it and proving the concept, its becoming feasible to gather momentum to actually make a business out of them and bring those ideas to the community at large.