1) Download TkPNG from http://www.muonics.com/FreeStuff/TkPNG/, compile it and then copy libtkpng0.9.so in TkLauncher.vfs/lib/tkpng-0.9;
2) Download in this directory the latest tclkit with Tk and the latest sdx from here;
3) Extract, set executable permissions and rename or link them as tclkit and sdx.kit;
4) Run ./tclkit ./sdx.kit wrap TkLauncher.kit -verbose;
5) The following step is optional: ./tclkit ./sdx.kit mkpack TkLauncher.bin TkLauncher.bin.new && mv TkLauncher.bin.new TkLauncher.bin && chmod a+x TkLauncher.bin;
6) Become root and copy tclkit and TkLauncher.kit in a bin directory like /usr/bin/ or /usr/local/bin/;
7) Run TkLauncher.kit.