Organizations:

• NAPP
  AIGA

Adobe:

• Adobe PhotoShop support
• Adobe Photoshop Forums

Sites:

• Top 84 Photoshop Resource Sites - Toolbox for Designers
• 50 Free Lessons of Design Theory
• ChainStyle
• PhotoshopSupport.com
• COMPOSITION & the ELEMENTS of VISUAL DESIGN
• Lorem Ipsum

ClipArt:

The Stock Xchange

• user: mgd4me
  pass: iP0dnan0

Web Site Tutorials:

screencast-creating-a-photoshop-web-mockup

wordpress photoshop-mock-up

Downloads:

Web site example PSD (Zipped)

CD Template with Masks (Zipped)

DVD Case Slipsheet Template PSD (zipped)

CD/DVD Booklet Template PSD (zipped)

Web Page Template (zipped)