Some photo editors have a "sharpen" option. It can help a little if the
blurring is minor. MS PhotoEditor, which came with earlier versions of
Office could do it. Paint.NET, a free imaging editing program can also do
it. How much it actually helps... who knows? But, it's free, so it might be
worth trying:
http://www.getpaint.net/index2.html
--
Herb Tyson MS MVP
Author of the Word 2007 Bible
Blog:
http://word2007bible.herbtyson.com
Web:
http://www.herbtyson.com