It's easy to use and ultra lightweight at only 1.8KB! Best of all, it's compatible with all major browsers:

jParse is a jQuery plugin that allows you to parse XML that was fetched with the jQuery .ajax method (making it fully customizable).

jquery layout plugin

jQuery jOmino Plugin

...like dominoes in motion

It is visually customizable and exposes hooks for user-triggered events

FullCalendar is a jQuery plugin that provides a full-sized, drag & drop calendar

Again another image gallery

Spacegallery - jQuery plugin