Dia 0.97.1 for Mac OSX 10.6.8

[Johan Mahmood <dia12 umich edu>]

Clicking the icon does nothing.
Running from the command line:

Macintosh-807:Desktop root# /Applications/Dia.app/Contents/Resources/bin/dia
sed: /themes/Clearlooks-Quicksilver-OSX/gtk-2.0/pre_gtkrc: No such
file or directory
Warning: AppleCollationOrder setting not found, using AppleLocale.
Setting Language: .UTF-8
/Applications/Dia.app/Contents/Resources/bin/dia: line 117:
/Applications/Dia.app/Contents/Resources/bin/dia-bin: Bad CPU type in
executable
/Applications/Dia.app/Contents/Resources/bin/dia: line 117:
/Applications/Dia.app/Contents/Resources/bin/dia-bin: Unknown error: 0

I have X11 installed... do I need something else?