...as scanning and editing together images can 
take some time, and people do not want others 
taking credit for work they have done. While the 
original images were not his, I do not think that 
is what he was saying...he was asking that no one 
take credit for creating those wallpapers, as he 
is the one that made them. He may not have drawn 
the original images, but he did create those 
wallpapers.

-Misha