Eh, the one thing you outta figure out is adding the box that says "this image has been resized, click to expand blah blah"--we have it on our fanatics site but that's vb--I couldn't begin to point you in right direction.
It'd be worth it; not everyone knows to click on picture to see larger version. I normally add text to mine so folks know they can do that.
Here example of little yellow bar.