I've added this to a previous bug report about issues with image caching.
http://code.google.com/p/processing/issues/detail?can=2&start=0&num=100&q=PIMage&colspec=Stars%20ID%20Type%20Status%20Priority%20Owner%20Summary&groupby=&sort=&id=1353
-- Paul
----- |(*,+,#,=)(#,=,*,+)(=,#,+,*)(+,*,=,#)| ---
http://code.google.com/p/processing/issues/detail?can=2&start=0&num=100&q=PIMage&colspec=Stars%20ID%20Type%20Status%20Priority%20Owner%20Summary&groupby=&sort=&id=1353
-- Paul
----- |(*,+,#,=)(#,=,*,+)(=,#,+,*)(+,*,=,#)| ---