Customising the Drupal 6 Search Form

The default search form or box in drupal is good - it is simple enough and works. However it is not clear how to alter the look and feel and the default "Search this Site" label.
This article describes how to do this. It assumes your search box is in part of your theme.

Step 1. Copy a file called search-theme-form.tpl.php from the modules/search/ directory into your themes directory.

For example if your theme is called mytemplate you should copy the file to the this directory