Anonymous
Favorite Answer
Try tape, preferably clear tape. Duct tape will accomplish the task also, but I wouldn't advise using it unless you dont care about viewing said picture
selina_555
If you mean side by side, or above each other, you can do that with any image editing program.
Or you can use the collage feature on picnik.com.
Junk
The only way i can think of is Photoshop.