Conquer red flush skin in a few steps
4-Easy Steps for Creating Spot Color Photography
Easy tips on getting rid of over-saturated reds in skin tones ssing Photoshop
A great walk-through using Photoshop Elements 7 on how to get the colors to POP in your photographs.
A quick tutorial on how to add a blue/gradient sky to your photographs.
Learn how to correct white balance in Lightroom 2.
Learn to apply duotones to your images using Photoshop CS2.
An extension of the tutorial Basic B/W - The Next Step, which teaches you how to achieve great black & white photos using the channel mixer.
If you want to convert a color photograph to black & white, this is the best method out there.