Great site for any tool you'd like to learn about in Photoshop-- http://www.photoshopforphotographers.com/CC_2013/Help_guide/tools_panels.html
Recent Student Portfolio-- http://dbmurphy.snack.ws/
Fonts Poster Downloads for Sources:
Divider Shapes (sks-dividers). Download from-- http://suziqcreations.com/divider-shapes/
Design Elements Shapes (suziq35). Download from-- http://suziqcreations.com/design-element-labels-1
Fonts from http://thefonty.com
Pattern from http://zooll.com/goodies-black-and-white-patterns/
Basic Concepts
Concepts A
Concepts B
Concepts C
Concepts D