allmybase.com has a good article on how to get skype working properly on F11. If your sound keeps crapping out or your video doesn't look quite right, check out his fix.
About the Author...
Thomas is a meat popsicle. Thomas started working with UNIX while at SFU and UBC in Vancouver. Starting out on IRIX, HPUX and Solaris, he quickly transitioned to Linux in the early 90s. He has been a System Administrator and a Developer working mainly in Python and C. He's written several technology books, many dealing with Puppet and Configuration Management.