Add-ons for Internet Explorer 7

If you're a fan of Internet Explorer, you might enjoy experimenting with add-ons for Internet Explorer 7 . The add-ons are categorized as follows:
Security
Time Savers
Browsers
Entertainment
There's nowhere near as many add-ons as exist for Firefox, and there's nothing there that stands out as a killer add-on, but there could be something there that you find interesting.
Take a look - you might find something that works for you. Most add-ons are free but some are commercial.