Just curious, because I really don't know anything about creating custom thumbs because I always use just an autogenerated smaller version of my full image, but are you posting it in .jpeg?  I know Renderosity is not compatible with gif or bmp.

Flannel Knight's Photos
MrsLubner
Forum Moderator
______________________
"It please me to take amateur photographs of my garden,
and it pleases my garden to make my photographs look
professional."
                                          Robert Brault