Use the retangular marquee tool and select what you want, then ctrl+c, then file -> new and paste.
__________________
[23:18] J: OH MY GOD DUDE
[23:18] J: you're a fucking tool
[23:18] J: open the fucking drawer
[23:18] J: and right there
[23:18] J: next to the goddamn hammer
[23:18] J: is you
[23:18] J: you fucking tool