Small Business Resources: How to Teach Yourself Adobe Creative Suite (Photoshop, Illustrator, InDesign) via The Happy Cactus
When should I use InDesign, Photoshop or Illustrator? A quick guide and rulebook for using the right tool for the right task for bloggers, infopreneurs and creatives.
Adobe Creative Cloud keyboard shortcuts cheat sheet for Photoshop, Illustrator, InDesign, and Premier Pro
when to use different adobe applications
7 Apps That Prove You Don't Need Adobe Creative Suite on Linux