Docklets programming

Hi there...

ther's someone who can explain me how to program simple docklets for rocket dock...

(for example I'd like to have an immage for the empty folder and another for a folder whith some files in like the default [recycled]....I use the leopard dockets for rocket dock too so I'd like to do the same (two immage same folder) for the leopard style icons...)

I use win xp os...

#499144