Ok do you have a album with PhotoBuckets.com ? Ok have a picture on a CD & down load to your harddrive & then get online to photobucket.com get registered & then upload your pictures into photobucket.. Pick the picture you want & highlight the IMG line & right click to move & then get back on to Pet Talk & go to user cp & edit profile & then signature & click to paste..
However proof first in photobucket for picture size.. PM message me if need further help & good luck..