Quote Originally Posted by tohca View Post
Is usage of бы tied to если, or can it be used with other conjunctions as well?
Well, it can definitely be used with the conjunctions хоть and хотя -- in both cases, the general meaning is either "even if only" or "at least".

Он считает, что человек должен попробовать ЛСД, хотя бы раз. (He thinks that a person ought to try LSD, even if only once.)