Here are some great resources to help improve your e-Learning site.

Docstart - http://www.docstoc.com/

Docstart is a user generated community where you can find and share professional documents:
* Download Legal, Business, Tech & Educational Docs
* Store Your Documents Privately Online for Free
* Get Your Documents Indexed by Search Engines
* Upload and Share Your Docs with the World
* Get Business Leads by Sharing Your Documents
* Embed your Documents on Blogs and Websites

Viddler - http://viddler.com

Viddler is a video sharing site, similar to the more popular YouTube. Viddler videos are better quality, and can be longer than those on YouTube, which is important when incorporating videos into an eLearning site.

Slideshare - http://slideshare.net

A great online tool which allows you to upload your powerpoint videos, add a voiceover, and embed them into a web page for your students to view in their browser, without having to download the presentation.

Google Chatback - http://www.google.com/talk/service/badge/New

Google Chatback allows your students to chat with you via Google's instant messaging service - Google Talk. It's a browser based widget that can be embedded into your eLearning site, so a student can talk with you immediately, without having to download software, or sign up for an account.
Google Chatback requires a Google Account.
kabo-wiki-hive / e-learning-center-wiki: eLearning-Australia-wiki

Classroom 2.0 - http://www.classroom20.com

Classroom 2.0 is an activesocial networking site dedicated to elearning and is worth a look.

Moodle - http://moodle.org/

Moodle is a free, open source learning management system widely used by a range of educators, from individual school teachers to universities.

Dokeos - http://www.dokeos.com/

Dokeos is a learning management system used in more than 600 companies and public administrations to manage e-learning and blended learning programmes.

Scrapblog - http://scrapblog.com/

A web-based application to create online virtual scrapbooks, using photos, videos, music, text and a huge range of great themes and art.