How come a replay I just made that wasn't really that great just appeared on the list? Also, how come two replays featuring me - which I don't remember taking - appear there too? I'm kind of new to the whole Toribash thing; how does the replay list work?

When you press "F" during ingame, you can actually save the replay into the list, you might have done that unknowingly.

Also, this section for sharing replays only, next time look for "support" or "rapid threads".

Thanks!