hey everyone, so i just ordered this. http://www.ebay.com/itm/140771069635?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649 this will be my first canister, does anyboy have any advice for me? tips? tricks? what media do i put in it? and does the order that it goes in matter? Can i put a sponge on it like i use with the intake tube on my HOB filter? and where would it go? Thank you!!!