help setting dockling icons


For whatever reason, when you build a dockling in Project Builder the custom icons don't stick (even though of course it works for applications). It did copy the .icns file into the correct package subdirectory, but only the default dock icon shows.

Does anyone know another way of putting in a custom icon? I would like to have custom icons at all the different sizes (128, 48, 32, 16) with alpha transparency for the first and masking for the others.

Or, has anyone been able to set dockling icons?