Use socks proxy in terminal

I am using selektor, which is similar to vidalia tor bundle. The default settings, use safe socks with port number 9054. It is fine and when I set the firefox proxy to "use system proxy", I can access blocked website, e. g. www.torproject.org As I enter wget http://torproject.org , that will not use the vpn established. What can I do, in oder to make it work? I don't want to use a prefix such as foo wget www.torproject.org. Is there any way to define a socks_proxy variable? I see http_proxy which is not appropriate here. Any idea?