URW sprite editor

Before proceeding, make sure to backup your URW.SPR and URW2.SPR files!

Use:
Unzip archive into a folder of your choice
Copy URW.SPR and URW2.SPR from your URW directory into this folder
Double click export.bat to export the sprites into bitmaps (urw.bmp and urw2.bmp)
Edit the bitmaps with your favorite editor
Make sure to save the bitmaps into the editor's directory
Double click import.bat to import the bitmaps into the SPR files
Copy the SPR files back into your URW directory
Play the game and enjoy your modified sprites