Well, one way to do it is just that...make up your own braces and tray. But what I'm not sure you'll be able to do is keep the overall length on the truck down because it doesn't appear you have enough room to set it behind the front bumper.
There are some front bull bar type systems (GoRhino) that attach to the front and have a base for the winch.
Recently Warn came out with their "Hidden" system. They list it for 2002 - 2005 but in looking at their website, it appears it would fit a 2006 too!
Here's a link: