BetterSearch

BetterSearch an extension for Firefox which enhances Google (all international flavours), Yahoo Search, del.icio.us, MSN Search, A9, Answers.com (web results), AllTheWeb, ask.com (Ask Jeeves), Clusty.com, Vivisimo.com, and Simpy.com by adding previews (thumbnails) and Amazon product images and info (type, price, rating for US,DE,UK,CA, or FR products). A quick preview feature as well as "Open in New Window", "Site Info", and "Wayback Machine" links to the search results.

Requirements:

Mozilla Firefox 1.5 - 15.0a1