As I stated more than one time, I recommend to everybody to get hands on the book "Stripes: ...and Java Web Development Is Fun Again ":
If you do not want to buy the book, here is a list of useful web links to lern Stripes!
http://www.stripesframework.org/display/stripes/Quick+Start+Guide
Covers some general aspects like configuration, logging, forms, validations,
http://onjava.com/pub/a/onjava/2007/01/24/java-web-development-with-stripes.html?page=3
"Java Web Development with Stripes", good overview of multiple aspects
List of very good HowTos:
http://www.stripesframework.org/display/stripes/How+To%27s
Overview of ActionBeans & Co:
http://onjava.com/pub/a/onjava/2007/01/24/java-web-development-with-stripes.html
Personal blog post about first experiences with stripes:
http://blog.carbonfive.com/2009/02/26/stripes-a-succesful-first-project/
Tutorial for Stripes:
http://jaxenter.com/tutorial-stripes-a-lean-mean-java-web-framework-42991.html
Stripes & Ajax:
http://www.samaxes.com/2008/10/stripes-and-jquery-ajax-forms-and-http-session-validation/
Cool presentation with many aspects of Stripes!
http://www.samaxes.com/2009/09/java-web-development-with-stripes/
Stripes & JQuery AutoComplete:
http://www.samaxes.com/2008/12/stripes-and-jquery-autocomplete/
General Stripes tutorial:
http://www.theserverside.com/news/1363758/A-Stripes-15-Test-Drive
Stripes Mailing Lists:
http://sourceforge.net/mail/?group_id=145476
Although we don't use Google App Engine, this is interesting:
http://110j.wordpress.com/2009/09/19/getting-started-with-stripes-google-app-engine/
The Web Framework Evaluation of Stripes:
http://www.laliluna.de/articles/posts/the-web-framework-evaluation-stripes-framework.html
Feel free to add more resources!