Internet Explorer 7 has built in search and by default it uses Live Search by Microsoft. You can however choose from a list of other providers that is available at http://www.microsoft.com/windows/ie/searchguide/en-en/default.mspx
Recently I was looking for some movies and TV series on Internet Movie Database (www.imdb.com) and I thought it might be nice if I am able to search not through the website but directly from IE. But since IMDB is not one of the listed available providers, I had to find a way how to add it manually myself. Programmers in MS are not stupid and made this task quite easy – all you had to do is to follow the 5 steps shown on the website:
Put the following line in the first box:
The simply add a name for the search provider and you’re done. Easy!