I've just updated the like button from a previous version and I must admin I'm impressed by upgrades!
Very nice job, great plugin!
There's just one thing I cannot understand if it's a bug or something I cannot figure out how to configure:
Facebook debugger (ex linter) http://developers.facebook.com/tools/debug/
tells me that there's one thing that should be fixed:
Inferred Property: The og:locale property should be explicitly provided, even if a value can be inferred from other tags.
I could surely add this manually in head, but maybe plugin alredy does this and I'm not able to set it up.