Extra-chic,
I had this suspicion abouyt caching (also I was thinking about the  
use of SystemClock, but I changed as you did and saw it was the same).
In the meanwhile I was using ZGRViewer
http://zvtm.sourceforge.net/zgrviewer.html
, but I has the same problem that I didn’t know how to reload via SC.

Would you include ImageView in the next SwingOSC? I think it can be  
really useful

Many many thanks

Best

-a-