Enabling Adobe Acrobat in Windows Sharepoint Services 3.0
1. Download the Adobe PDF iFilter 6.0 and install it
2. Download and run the zip mentioned here
Links
http://geekswithblogs.net/sspotts/archive/2006/11/03/96045.aspx
http://www.adobe.com/support/downloads/thankyou.jsp?ftpID=2611&fileID=2457
http://msmvps.com/blogs/cgross/archive/2004/10/26/16679.aspx