thanks guys.
i definately need flats, i just haven't built a lightbox yet.
i just tried gradientxterminator on the tif and had another little play with the image.
heres another version:
http://i289.photobucket.com/albums/l...arinarepro.jpg
and heres a 100% crop of the keyhole:
http://i289.photobucket.com/albums/l...ro/keyhole.jpg