20 Beautiful Photoshop Montage Tutorials | Webdesigner Depot
http://www.webdesignerdepot.com/2009/03/20-beautiful-photoshop-montage-tutorials/
How to Make a Photoshop Montage | Webdesigner Depot
http://www.webdesignerdepot.com/2009/04/how-to-make-a-photoshop-montage/

For creations

Photoshop Tutorial - How to Make a Photoshop Montage