Really, really, look at the Sophie code. It does a lot of good stuff  
with text and images and annotating and notes and stuff. It's  
completely free (insofar as I understand that ) and the authors are  
available online.

tim
--
tim Rowledge; tim at rowledge.org; http://www.rowledge.org/tim
"How many Kzin does it take to change a lightbulb?" "None. You can  
scream and leap in the dark."