Well save the picture with the body you want in 'my pictures' and open it in photoshop, get the image, with the head that you want to go on your other body (who'll now be the background thingy, and copy and paste the head image onto the body/background image. Click the button one the left that has the cursor and next to it it has that movement cursor/tool/symbol thingy (i hope you know what i mean) and move it to where you want it to go. click the history brush/tool-I hope you know what that is because i only use photoshop at school and therefore cannot remember what it looks like-and brush all around the head, but not over it as it will just erase straight to the background. If you do what i said (that is if you understood) you should be able to do it.
I hope you understood, because my memory of it is a bit blurry but oh well, i tried =).
BUT---This won't work if you've got a different type of photoshop- i cant remember what one i was using at school...i think it was 8.0 but i could be wrong lol, like i said i have bad memory..
