just tried installing ubuntu last night. I have a DLINK DWL-G520 wireless card. When I was installing ubuntu server the install actually found the card, (it also found 3 other nicks, as I have a few non wireless ports on the motherboard that I don't want to use) it asked me for my router name, and it asked me for the WEP. I put all that info in, and it said it installed correctly.
But when I go into ubuntu, I can't ping anything, and I can't do any apt-get updates.
oh and according to the following page, my card is supported...