So aye, SidlWidl 0.2.9 hates .net 1.1+, and will give you massive errors.
So I tried to fix it, and... kinda-sorta-almost... did. I somehow managed to spew out a debug file and crazily, I managed to compile an .exe from the debug file... so I now have an .exe that doesn't give errors when opening and closing SidlWidl, and works with .net 1.1.
I've used it to mod the default fine, and my own and lunix's files. Its not errorfree, and definetly isn't perfect, but for anyone interested, the files attached.
WARNING!!: Backup your original SidlWidl.exe file before using this! It may or may NOT work for you, and it REQUIRES .net 1.1+ now.
EDIT: BTW, Sir Taleisin teh Seer got to play water boy for me while I did this.