Okay, some resources to make your PerlTK life easier. Seems to me there's loads of it around but hey, I'll point you in some directions. First of all start with:
http://www.perltk.org/, it has all the info you need to get started.

some info:
http://www.devdaily.com/Dir/Perl/Articles_and_Tutorials/PerlTk/
http://www.perl.com/pub/a/1999/10/perltk/

some additional modules:
http://user.cs.tu-berlin.de/~eserte/

some tools:
http://ptktools.sourceforge.net/

some sourcecode:
http://www.the-labs.com/Perl/ThePerlJournal/Issue_01_Tk/

enjoy yourself,
Teabag