Right Click > Resize image

Is there an app for OS X Lion that provides functionality similar to the Windows XP's 'image resizer' powertoy where you just right click on an image and select 'resize' to resize it to specific dimensions.

The one that is meeting my purpose is Sizerox but it is not free (costs $15). Is there is a free (or cheaper) alternative for OS X? I just don't feel like spending $15 for an image resizer.

 

Thanks for reply.

Preview does have a resize feature but it takes too many steps in Lion. I need something simple. Even the app Sizerox does not offers right click functionality but it requires much less clicks to get the work done.