I've been using Photoshop on both the Mac and PC for many years, and the best overall book I've come across is Deke McClelland's Photoshop Bible. His information on the color settings should make life much easier for you.
--Chet
Found the problem. Mostly.
. . .
At least I *can* get them to look right now. Anyone know how I can do it without the manual tweaking?-- Mark Roberts www.robertstech.com Photography and writing

