Some people like to add a little salt.
The vanilla flavor is also a favorite and is known to neutralize the "beany" taste pretty well.
To make a creamier (thicker) soy milk, use more soybeans. We use a general ratio of 1 oz of soybeans per 1 Cup of water.
MAKE SURE you use HOT water to make proper soy milk. The high powered blender will take it to boil, which is important for the process.