Ok the ubuntu instructions say to
Forget these instructions. They were only relevant when I thought your system was debian based instead of .rpm. They are for setting up a system to mine by yourself which you don't want to do. You want to join a pool with your card.
but I have already DL and extracted bitcoin-0.3.19-linux.tar.gz so why do Ineed to do it agin, actually did 3.20 but who is counting
You need to run the bitcoin program somewhere, either on this machine or another one to be joined to the network to be able to receive any bitcoins that you make from a pool. You should delete the .bitcoin/bitcoin.conf file
First things first.
cd to the poclbm-mod.03.24.2011/sources/
do python ./poclbm-mod with no options
what devices does it show?