It seems that quite a few people have questions related to images under either GD or ImageMagick; I think this would be a good idea to help separate them from the rest of the coding problems.
There are several people on the board who are quite good with image editing (I'm good with GD, for instance), so I think it would be beneficial to the poster. Rather than being flooded onto the next page with other posting questions (since most people don't do image programming), people could post where it would be less trafficy (I've invented a new word!).
I believe that this would really be helpful to those who have image questions. Just my two cents...