Developer Sébastien Stormacq has released iTweetMyTunes, a new iTunes companion application for Mac OS X. iTweetMyTunes lets users post the currently playing iTunes track to their Twitter accounts. The application can post updates to Twitter automatically, doing so every three minutes by default or by a user-chosen time interval, or manually. iTweetMyTunes is available as a free download and requires Mac OS X; Stormacq is accepting donations from…