when you open 'customize view' in the column at the right hand you have 'thumbnials' there is an item text. here you can tell what you want to see underneath your thumbnails. at the left side you can see if you are setting them for the thumbs at the top or bottom. see attachment
using [name] in this case will return the item that is shown, so when artist it gives the artist name, when album, its album name.
