Model for 3ds max, Vray render. For other render engines, you can convert the materials yourself.
The foam is created using two Displacement objects and seamless textures.
Dried fish - photoscan.
Drops on a beer mug - mesh with displacement and transparency mask.
*FBX with turbosmooth 1 iterration
*when importing from FBX Vray version, you need to manually adjust bitmap input gamma = 1.0 for normal map.