How to Use the Pattern Tool to Make Pretty Graphics in Adobe Illustrator - Designs By Miss Mandee. A great overview of how to use the pattern tool, plus, an awesome trick to making beautiful [quick] laurel wreaths!
Collection of hand-picked Illustrator tutorials that every designer should learn, whether you’re a beginner or advanced user, there will improve your designing skills. Adobe Illustrator is the awesome tool for creating vector design or art.
I haven't checked the actual web-site as I don't use Photoshop, but I love the effect and can see me using this myself. Where I pinned it from said "How to Create a "Double Exposure" in Photoshop — Daily Epiphanie"
10 Amazing Illustrator Tips That Changed How I Design