Exciting NEWS over at the Creative Commons website!
First, they announced the launch on On Classical - a wicked cool place to dig up some classical music.
Second, the Open Educational Resources site is growing in leaps and leaps and leaps...there is just TONS of awesome educational goodies there!!!
Second Life has its own version of sharing called Open SLedware...if you are a SLer, you can get free educational goodies at onrez.com (formerly SL Boutique).