Need More Rythm!

hiya guys,
First of i just like to thank all the teachers on this site for all your great lessons, this is the best guitar site on the web, ive only been a member for about a month but you have taught me so much already! But.....hehe sorry thier has to be a but.....with all these great riffs and licks ive learnt aswell as apply them to my lead playing, i still feel i lack quite severly on my rythm guitar skills! so it would be awesome (and im sure alot of ppl will agree) if we could get some really solid rythm guitar lesson s on this site! cus at the end of the day its gonna really help with your lead playing aswell aint it! so come on guys throw some power chords at us! lol