Here is a list of Gimp tutorials

 
 
 
 
How to make tileable worn brick texture
 
 
How to create Bruning Text effect
 
 
How to make tileable cobblestone texture
 
 
How to make tileable wood texture
 
 
How to make tileable oxidized copper texture
 
 
How to make reptile eye texture Part 1
 
 
How to make reptile eye texture Part 2
 
 
How to make tileable leather texture
 
 
Gimp Lady Bug Tutorial. Part 1
 
 
Gimp Lady Bug Tutorial. Part 2
 
 
Gimp Lady Bug Tutorial. Part 3