JApplet .jar compression?

[Marc-Wayne M. Formales]

Hi,
 
I'm running my applet through some performance testing and noticing that the 
download times over the network are quite long.  The jar file is already 
compressed via Java and is around 3MB.  Do you guys know of some techniques I 
could use to compress the jar even further and/or improve applet download 
times?  Thanks.
 
p.s. Production environment is BEA Weblogic 8.1/Java 1.4.2_11.
Regards, Marc