connectusers.com has a video by R J Jacquez, one of the “Senior Product Evangelists” (what a great title!). If you are thinking of moving to Captivate 5 check it out here.
UX Matters has a series of article – Wireframing.
Don’t bother trying to follow the articles that follow… the links to his blog and to the other articles all send you to a 403 Forbidden page (bleh)
This is a really nice introduction to why smart objects are often a really, really good idea.
http://www.tipsquirrel.com/index.php/2010/06/smart-objects-smarter-filters/
Are you curious about CSS? Are you daunted by the idea of setting up a page just to see what “repeat-x” does?
W3Schools.com have the site you need! Try the “Try it yourself buttons” on the CSS Backgrounds page for example.