Here’s the droid you’re looking for, from Lockwasher’s photoset at Flickr:
“Star Wars ‘n’ suds, Beer2D3 by Lockwasher. Beer2D2…the 3rd was created for last weekend’s San Jose Super Toy show. Beer2′s body is fashioned from a 4.7 liter keg and measures in at over 16″ tall “
Star Wars dot com has an interview with the artist.