Below is an example of some PNG images and the cool things they are capable of. Unfortunately IE 6 STILL does not fully support 32 bit PNGs! So this page also uses a HACK called pngfix to get ie 5.5+ working. Enjoy!

THREE OVERLAPPING 32 BIT PNG IMAGES

green
yellow
blue

SINGLE 8 BIT PNG IMAGE W / 1BIT TRANSPARENCY

8 bit png with transparency