Tutorials
 
Hair:

Straight

Ponytail and fringe

Curly or tangled

Braids
 
 
Clothing:

Striped socks

Trousers

Jeans

Shirt
 

Dress
 
 
Shoes:

High-heels
 
 
Accessories:

Feathers

Lightsaber
 
 
Details:

Multicolour shading

Add a logo

Spiked belt

Checkered belt
 

Pinstripes

Semi-transparence

Patterns

Light glow
 
 
Miscellaneouss:

Changin basecolour in MSPaint.