Graphic as buttons and format advice?

[Chipp Walters]

Only..
PNG gamma varies from Mac to PC, but JPG does not. So, if you have to 
match images and colors from one platform to the next, then JPG is a 
much better solution. Just use it with little to no compression.

-Chipp

Thomas McGrath III wrote:
> PNG is by far the best for BOTH compression and cross-platform use AND 
> supports transparency layers..............
> 
> HTH
> 
> Tom