Hi! Attached is the screencast of what am trying to do.
Basically the bump map should be limited to the UV area but it is spreading over other areas and infact not getting over the UV Mapped area at all.
Video of what am trying to do
Download blend file of tyre by pasting the URL below
http://www.esnips.com/nsdoc/3bd2fad7-6eed-4d48-b438-bdd7f773b1cf/?action=forceDL
The JPEG is attached to this Thread