GIMP Plugin Registry

This script simulates complete exposed 35mm film strips with frame numbers, lettering, overexposed sprocketholes and DX film edge barcodes .
Copy it into the scripts folder from gimp, you will find it then under Filters -> Generic -> Photo with Sprocketholes. DX1 and DX2 numbers can be encrypted here.
Here is another example.  read more »

This script simulates the cut-off of the first picture of a film roll of cheap cameras like Lomo. Role model was this picture from flickr.
Copy it into the scripts folder from gimp, you will find it then under Filters -> Generic -> Photo Border.  read more »

This is a script which simulates the typical film grain of high ISO pictures. I scripted exactly this description. Copy it into the scripts folder from gimp, you will find it then under Filters -> Generic -> Film Grain.  read more »

Add adding realistic film grain to BW images

Description for PS: http://www.outbackphoto.com/workflow/wf_95/essay.html