Andrew wrote this brilliant guide here on how to do this:
http://wordpress.org/support/topic/put-test-inside-images-on-home-page?replies=2#post-4458376
Problem is - on the circles with more text its moving down a line so looks a bit strange:
http://weaselpr.com/sitefiles/site.png
my site is not live and running with a landing page so I can't just direct you there - hence the screen shot
Any ideas will be most grateful!