16 JQuery Plugins

http://webdesign.tutsplus.com/articles/roundups/resource-roundup-16-jquery-plugins-for-web-designers/

Nivoslider

http://nivo.dev7studios.com/

Jquery/CSS Tooltips

http://webdesign.tutsplus.com/tutorials/site-elements/how-to-create-link-tooltips-using-css3-and-jquery/

Subtle Patterns

http://subtlepatterns.com/

Opacity and Overlay Techniques

http://www.onextrapixel.com/2011/05/09/opacity-and-overlay-techniques-in-web-design/

Grunge Deisgn

http://www.onextrapixel.com/2011/05/11/grunge-in-design-examples-tutorials-and-resources/

Creative Call to Action Buttons

http://www.noupe.com/design/50-effective-and-creative-call-to-action-buttons.html