I can't get a swt application to work on Mac OSX Snow Leopard.

Exception in thread "main" java.lang.UnsatisfiedLinkError: no swt-cocoa-3557 or swt-cocoa in swt.library.path, java.library.path or the jar file
    at org.eclipse.swt.internal.Library.loadLibrary(Unknown Source)
    at org.eclipse.swt.internal.Library.loadLibrary(Unknown Source)
    at org.eclipse.swt.internal.C.<clinit>(Unknown Source)
    at org.eclipse.swt.internal.cocoa.NSThread.isMainThread(Unknown Source)
    at org.eclipse.swt.graphics.Device.<init>(Unknown Source)
    at org.eclipse.swt.widgets.Display.<init>(Unknown Source)
    at org.eclipse.swt.widgets.Display.<init>(Unknown Source)
    at com.astrobetty.geotag.Hello.main(Hello.java:12)

I have added -Dswt.library.path= and -Djava.library.path statements to the "VM arrguments" hand have also tried setting them as variables in the "environment" section of the Eclipse run configuration page.

I've verified that my .jar file is at the path I specify. If I look inside the .jar, it seems to contain these libraries:

     102 Feb 12 13:21 META-INF
     183 Feb 12 13:21 external.xpt
   37104 Nov 17  2009 libswt-awt-cocoa-3557.jnilib
  287228 Nov 17  2009 libswt-cocoa-3557.jnilib
  548252 Nov 17  2009 libswt-pi-cocoa-3557.jnilib
  313420 Nov 17  2009 libswt-xulrunner-cocoa-3557.jnilib
    136 May 23 22:19 org
     13 Feb 12 13:21 version.txt

Any ideas on how to get this to work? Is it possible at all?