You can put the thottbot search engine up on the site.... heres the code.
<form method='GET' action='http://www.thottbot.com/'>
<a href='http://www.thottbot.com/'><img src='http://i.thottbot.com/Thottbotsmall.jpg' border=0></a><br>
<input type='text' name='s' style='width:140px' onfocus='this.select()'>
</form>