
filters and unsharp mask may at least help, worth a look at autolevelling too which is ctrl+a I believe, other than that and a few minor adjustments there really isn't that much that's available as an option.
Stage a fake one.
( ,
Tue 11 Dec 2007, 23:36,
archived)
Stage a fake one.

A retake might not be a bad idea actually, though.

Photoshop is the best post-processing tool on the planet as long as you use adjustment layers instead of trying to doctor the original image.
( ,
Tue 11 Dec 2007, 23:42,
archived)

Imagine how great the Turin Shroud would be with a bit of Plastic Wrap.
( ,
Tue 11 Dec 2007, 23:44,
archived)