I've updated the dropbox version with the latest changes.
Changelog for v1.4.1 - v1.4.4:
- Fixed boolean parsing in LSX files
- Added pretty printing support for LSX files
- Fixed LSF/LSB resource handling confusion
- Add support for D:OS EE story files
- Add support for more (21) GR2 vertex formats
- Fix crash when the loaded GR2 file only contains a skeleton
- Fix occasionally incorrect transformation when loading skinned GR2 meshes
- Save GR2/DAE exporter info properly
- Fix tangent/binormal calculation
- Allow specifying a custom vertex format for GR2 meshes
- Allow manual rebuild of normals/tangents even if they were available in the source file
- Add normal/tangent/UV export selection
- Fix: Obey export options for Collada exports

Originally Posted by Vector
I'm mostly running your app under Wine.

AFAIK you can run it properly under Mono without the need for Wine.