JQuery Tutorials:

Very nice JQuery tutorials: http://vandelaydesign.com/blog/web-development/jquery-one-page-portfolios/

Some of the cool ones linked from the page are:

Slideout menu: http://tympanus.net/codrops/2009/11/30/beautiful-slide-out-navigation-a-css-and-jquery-tutorial/

Using Form labels as text field values: http://cssglobe.com/post/2494/using-form-labels-as-text-field-values

JQuery lightbox: http://leandrovieira.com/projects/jquery/lightbox/