Instead of drawing in Gimp/Photoshop, etc.
I used a couple of websites quickly and they seem really good at
either pen control or line smoothing/tapering.
If you don't have good software (Gimp is a good free software you can use though)
then try a one of these websites:
(They seem safe and stuff but whatever)
http://artpad.art.com/artpad/painter/
Quickly drew:

Spoiler:

 

https://sketch.io/sketchpad/
Quickly drew FF fan game concept art:

Spoiler:

 

Spoiler:

 

Spoiler:

 

*Draws Venom from Spider-Man. Says it's FF concept art*

Cartoon Network Universe, X, not Marvel Universe.  

Oliver Zombieweasel wrote:

*Draws Venom from Spider-Man. Says it's FF concept art*

Cartoon Network Universe, X, not Marvel Universe.  

ouch that would have offended me if it were my drawings. Thought you'd know better Oliver.

yeah I'd feel terrible if I tried to draw a dog and then someone came and said it was a cat.   

though this is X so who knows.

TheJournalist wrote:

Oliver Zombieweasel wrote:

*Draws Venom from Spider-Man. Says it's FF concept art*

Cartoon Network Universe, X, not Marvel Universe.  

ouch that would have offended me if it were my drawings. Thought you'd know better Oliver.

do i have to downgrade you to Bad-News-Bear to get you to stop insulting these wonderful people