This extension only need to be activated, and it's static template need to be include in your main template (“Template” module > “Info/Modify” > “Click here to edit the whole template record” > “Include static (from extensions)”).
Important note:
The use of Dojo 0.9 is currently incompatible with current versions of Typo3 (4.1.2 - august 2007) on Internet Explorer. The issue has been reported:
http://bugs.typo3.org/view.php?id=6129
Instructions on how to bypass the issue is described in the report.