I recently started learning Perl/Tk, and find after you get used to the concept its reasonably straightforward to work with. This tutorial gives a good overview of the basics. Many more details are in the pods. A readthrough will give you a good idea of what you can do, but due to the number of pods in the distribution, it may be difficult to use them a reference. I found a nice Perl Tk Reference (pdf) online that when you print, fold, and staple makes a well organized booklet to keep in front of you while you work.