I could not find this info so How do i Add a feed back for someone i just bought from

 

Under your name is a trader rating, in your case you have one. The person you want to give feedback for click the number beside the trader rating, you should be able to click the Leave Feedback tab and the rest you should be able to figure it out.

 

go to the sales thread, look under the seller's name (or buyer's) and click the #