Hi,
very cool your program.
Just a bug report
Here when I will export the wdl the program crash and open the traditional window of send error report to M$.
I use win XP home edition SP-2 with all atualisations from M$ win update, 1gb ram, AMD 64 video 3d with 128mb, if you need more informations or need a SS of the crash or any other information to help you found the bug, just let me know.
best regards,
Marcio