I feel pretty proficient in Photoshop, though there are a lot of features in Photoshop that I rarely have occasion to use. When our friend (and fellow photographer from Tulsa) Trinnica, forwarded this link to us, I was surprised at how many useful tips I learned! (Thanks, Trin!)
So, I thought Iβd post it here for any of you Photoshop users who want to get more efficient with the program. Check out the page here.