Assorted red dragons.

A snarling dragon bearing its claws. Cool!

A dragon with a valiant knight.

A ferocious red dragon attacking a castle

 

A tribal design dragon with shadow

The head of an old dragon. Done in a watercolor style.

 

Red is a popular color for dragons, probably the second favorite next to green. Red is a strong, passionate color so it complements the fiery nature and heroic activities of dragons.