What is a photomanipulation?
Photomanipulations are images that have been composed of two or more photographic elements to create something new.
This is what the gallery description states. But what does it mean?
It means that a photomanipulation is based on photographs.
Not sketches scanned in (like line art for example) or screenshots from a video game. However, if you scan a photograph or for example dried flowers, it would be considered a photograph; while a photograph taken of line art still remains a sketch and is not consiered a photograph. Video game screenshots are copyrighted images btw and as such cannot be used at all.
It means that you need to use more than one photograph.
Retouching work as well as work that uses brushes or texture overlays only to "spice up" a photo that was taken by yourself(!) should be submitted to Photography > Darkroom, while work that uses stock images (i.e. images that you did not take yourself) should be