[Gimp-user] What Gimp filter used on this image

[mockfrog <forums gimpusers com>]

A while back I used a filter in Gimp to create a cool, grainy black and white
image of a Ford Mustang, but I can't remember how I did it! I blame middleage.
The vignette and olde school edge was added later. The bw filter was either the
inbuilt Gimp filter or one from FX Foundry. Here is the link to the image? Any
ideas? Thanks, Matt  :-)

Image attached and also a link

https://www.flickr.com/photos/122972896@N06/26763984964/sizes/l


Attachments:
* http://www.gimpusers.com/system/attachments/445/original/Mustang.jpg

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mockfrog (via www.gimpusers.com/forums)