drapes not running

Tried running Drapes from the icon, no go...

Tried running Drapes from terminal, got the following output:
** (/usr/lib/drapes/drapes.exe:5085): WARNING **: The following assembly referenced from /usr/lib/drapes/drapes.exe could not be loaded:
     Assembly: Mono.Posix (assemblyref_index=5)
     Version: 2.0.0.0
     Public Key: 0738eb9f132ed756
The assembly was not found in the Global Assembly Cache, a path listed in the MONO_PATH environment variable, or in the location of the executing assembly (/usr/lib/drapes).

** (/usr/lib/drapes/drapes.exe:5085): WARNING **: Could not load file or assembly 'Mono.Posix, Version=2.0.0.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756' or one of its dependencies.

** (/usr/lib/drapes/drapes.exe:5085): WARNING **: Missing method Init in assembly /usr/lib/drapes/drapes.exe, type Mono.Unix.Catalog

Unhandled Exception: System.IO.FileNotFoundException: Could not load file or assembly 'Mono.Posix, Version=2.0.0.0, Culture=neutral, PublicKeyToken=0738eb9f132ed756' or one of its dependencies.
  at <0x00000> <unknown method>
  at Drapes.DrapesApp.Main (System.String[] args) [0x00000]

Running Ubuntu 6.10...
Nvidia 5200 Vid w/ Envy installed drivers...

Help please...