GUIDELINES FOR CREATING GRAPHICS

Train Graphics
Cargo in Freerails is divided into 5 categories and the colour of the wagon is used to identify the category as follows.
Mail:			white
Passengers:		blue
Fast Freight:	yellow
Slow Freight:	dark red/brown
Bulk freight: 	black/grey

The cargo types and their categories are defined in /jfreerails/data/cargo_and_terrain.xml
