ps: LD_PRELOAD=/usr/lib/i386-linux-gnu/libv4l/v4l1compat.so skype works fine for me, anyway in the terminal i can see this error:
libv4l2: error allocating conversion buffer -- You received this bug notification because you are a member of Canonical Partner Developers, which is subscribed to skype in Ubuntu. https://bugs.launchpad.net/bugs/754162 Title: webcams show as black screen in skype To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/skype/+bug/754162/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~canonical-partner-dev Post to : [email protected] Unsubscribe : https://launchpad.net/~canonical-partner-dev More help : https://help.launchpad.net/ListHelp

