PNG is by far the best for BOTH compression and cross-platform use AND supports transparency layers.............. HTH Tom On Feb 27, 2005, at 3:19 AM, Scott Rossi wrote: >> Which one is best for cross-platform? And which, overall, is the best >> quality? Thomas J. McGrath III SCS 1000 Killarney Dr. Pittsburgh, PA 15234 412-885-8541