SaltyBeer is a plugin for Skype which automatically saves your audio or video calls into QuickTime movies.
Click here to download latest SaltyBeer
SaltyBeer window will appear when Skype is launched.
All recordings are saved in the "Movies/Saved Skype Calls" folder under your OSX home folder.
Just remove folder /Library/Audio/Plug-Ins/HAL/saltybeer.plugin