Currently we have creativesSnapshot which is just for photography. There's also creativesDigital which is for photoshop, digital painting etc, 3d renders, etc. I would like to run Snapshot on my personal profile @eoincurran. Digital is still open, although I think it could be fun to have guest hosts some weeks on snapshot :)
I guess your photo manipulations would fall under CreativesDigital rather than CreativesSnapshot.