Q. The executable are big
A. Yes, this is still a problem. A DWT application with debug info can easily grow bigger than 10 MB.
The UPX tool can often compress the executable significant.
So it probably a good advice to use UPX for the programs release version.
ttp://www.dsource.org/projects/dwt/wiki/FAQ
ttp://www.dsource.org/projects/dwt/wiki/Installation
ttp://www.dsource.org/projects/dwt