PSD to JPEG HELP PLEASE!!!!

Hey everyone i have a really quick question... its really dumb but i dont know how to do it... so if your kind enough plz plz plz tell me how :) ok so the actual question:

how do am i supposed convert my psd files into jpeg or some type of other file that will upload of photobucket i use adobe photoshop CS3?

so if you know the answer please tell me i would really appreciate it! thanks in advance! :)