GIMP
Free alternative to Adobe Photoshop. Windows/Mac/Linux. For a portable version that does not require installation, click here (Windows only).
Lynda.com
Free access with Metropolitan Library Card (you can sign up for one online.) Norman Public Library (Pioneer Library System) I believe has something where if you have a Pioneer Library Card, you can get a Metro one. Check with your library to see if similar deals exist.
Isolate Logos and Signatures
Clipping Masks: Masking Tutorial (Part 1)
Learn how to create clipping masks, along with several practical examples of clipping masks in use. We also discuss when and why to use clipping masks over other types of masks. This tutorial uses Adobe Photoshop, and is part 1 of a 3-part series on masking.
Scissortail Septic Direct Mail Coupon
Direct Mail Holiday Coupon Card - Design Project
In this project you will be creating a Greeting Card (Direct Mail Card) that also serves as a coupon. You will be creating the design for Scissortail Septic. This design will be marketed to homeowners whose homes have standard septic systems. Homeowners who know they need their tank pumped, and who are planning to have family over for the holidays.