update to Auction website:'' timmer'' and twitter,facebook,Myspace moduel

i need moduel made For my Auction website [login to view URL] "Yours To Get' anyway i need to make the website so that when sellers post an auction it is automaticaly posted on there myspace facebook site and twittered on there twitter site. leving a link to there Auction page. also i need to make a timer for the Auction i wont to make it so that the sellers Auction only last one day. and time is count down live on there listing. i also need to make it so that sellers pay only .25 to post there listing on [login to view URL] .