Well, you should work more with it. Check some tutorials for GIMP, if you are using photoshop too, I could help you a bit, inbox me if you want.

Your stuff makes me laugh man, that's good!
You see a lot of people drawing seriously and try to jam detail in everything they do.
Whilst that is a talent, making people laugh with drawings is a talent as well.
Both this one and your dragon made me laugh.

Continue, you're going somewhere!