How can I achieve a "hand-drawn" look? So I watched "Suits" Episode of the Netflix Series "Love, Death &amp; Robots". 

I really liked the overall style. Sometimes you see it's low fps so I guess it's almost completely hand-drawn. Anyway, I took these screenshots:




I started Blender, created a feather mesh and used the hair-particle system to achieve this:



This is a hand-drawn texture on a default material (blender internal, viewport) with emission 0.5 (left) / shadeless (right).
But I am not yet pleased with the look. Do you have any tips to achieve this fluffy look?
You need to create 2 or 3 variation meshes to correctly display what you want. You can use 1 emitter but different particle settings (many particle systems inside 1 emitter). Since you´re using hair, the scruffy look is given by the parameters in Kink, Twist and Roughness (use custom roughness curve). Hope this helps. Yes, it will look fantastic, but please create 2 or 3 variations to be used with the 2 or 3 particle systems for the body emitter (one of the systems irremediably will be long feather looking hairs scruffed).

Hope this helps.
BFCT_Schiller