Can't connect via Wifi

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http://crunchbanglinux.org – Hi everyone im new too crunchbang, and I've been strugling to get internet via wifi.First I go into "edit connection" and I create a new wifi connection. I put the SSID number under the "wifi/wirelles" tab, and then I put my password under the "Wifi Security".So after that I can't connect to my wifi connection beacause it doesn't show/recognize (whatever the problem is, I have a grey space where the name of the connection should be).I don't think i'm forgeting anything, but yet again, i'm new to linux and crunchbang.I already looked i (HowTos)