hi guys,
i am looking for a skype-like program that i can set up for linux (on my computer) and on windows (for my girlfriends computer)that supports webcam because we live far away from each other.. i would like something that is easy to set up and just works, i browsed the internet for ages and found a couple but i would like to hear you opinion on that, i need it to be easy, beacuse i am not that much of a crack and would like it to run nice and smooth,...and not be like a hard thing to set up.. does it matter what sip-client i use? can i communicate between diffrent ones? any help would be greatly appreciated...

thanks