Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_1 like Mac OS X; en-us) AppleWebKit/532.9 (KHTML, like Gecko) Version/4.0.5 Mobile/8B117 Safari/6531.22.7)
I don't know for sure about the iPad 2, but the iPhone 4's camera can be used with other video services like Skype, Tango, etc.
skype works, but it is not an ipad optimized app at this time, just an iphone app - so it's the smaller screen size (you can 2x it, but that's it)