If you're going to photoshop anyway, you can save as a .psd and open in native photoshop format. Psd's will also keep the alphachannel info, just as tif's and pict's will.

"I am a good person now and it feels... well, pretty much the same as I felt before (except that the headaches have gone away now that I'm not wearing control top pantyhose on my head anymore)"

• Monkeysmell