<a href="http://www.oreillynet.com/cs/weblog/view/wlg/448">this post on oreillynet shows you</a> how to use a Pringles can to make a better wifi reciver. and <a href="http://www.planetmars.co.za/forums/index.php?s=1c700cb74d99a932fb638b56cbd2785f&showtopic=11801&st=0&#entry146385entry146385">this forums page</a> has info on home made antenas too. handy if you had a big enough area to get wireless….