Do files sit connecting for ages, then get stuck needing sources forever? If so, you're probably seeing fake files. Always check movie files with Bitzi before download. If a file has heaps of sources but no Bitzi rating, chances are it's a fake. Music doesn't get rated as much with Bitzi.
It's worth avoiding the files with huge numbers of sources...go for a file with around 10 sources.
There's a lot more info & tips in these 2 threads, including info about using Bitzi.
Fake files showing up in search results
How to find music

Browse Host isn't always reliable...it's pretty hit & miss actually (one minute can't browse a host, next minute can).