Is there another way to view replays than downloading, opening toribash and watching? Can I choose open with toribash?

open toribash click setup and replays :S

No, not really. You have to download someone's replay to view it, because it isn't stored on your computer unless you download it. You can choose open with toribash though. When you say open with, choose toribash, and it should open with toribash every time you download it.

Other than uploading each individual replay to youtube, there isn't