Attached Link: http://www.renderosity.com/viewed.ez?galleryid=633430&Start=1&Artist=sdnoble&ByArtist=Yes

This (according to a few) is a glass of beer. It is the right colour I guess, and I would love to make it actually look like a beer.

Does anyone know how to set about putting a head on it ? I can create a mesh in the right shape, but have not found a texture method that looks like beer froth.