Using SearchMash instead of Google in Safari on OSX - Andrew Williams (Mon, 03 Mar 2008 23:13:04 +0000)
OK, so having played around with SearchMash for a while I decided to set it as my search engine for Safari.
Not an easy task indeed, but here is the answer, just follow the following simple steps:
Enjoy! of course, I cannot guarantee you will not run into any problems - do the above at your own risk - but it worked for me :)