I just built 4.62 from scratch and I kept getting weird errors to when relying on dpkg to install zenmap with the deb. (Tried a couple of different things in the rules file, kept getting different errors... Honestly, I don't know enough about setup.py to get it to prefix right for apt.)

I got zenmap running by installing it directly on the tablet, but it was a pain. What I did was-

1. build nmap-4.62 on scratchbox
2. On scratchbox tar.gz the zenmap directory in the nmap source tree (after building the deb).
3. transfer the nmap*.deb and the zenmaps.tar.gz to the tablet.
4. Install the nmap deb.
5. untar the zenmaps dir into your homedir, cd into it and run(as root)-
# python2.5 setup.py install


hope this helps,
kernelpanic