No Background Photoshop like on Macs

How do you get that look in photoshop where theres no gray background...your background is your desktop?

I know you can drag the background up but it doesn't go up all the way...how do you get it to do that?

it lets you remove the gray background completely

//Thread Closed.

Search . Fortunately for you, nrossow linked you to the right solution, but in the future, please search first before creating new threads.

Thanks!

-NC