Sketches and paintings and ALLOT OF FUN!

[Madzia]

haha Zbrush :D well the head is not outstanding and needs lot more work. But I remember my first sculpt was even worse :D In long term having fundamentals in drawing helps a lot. You will improve fast with only few models comparing to someone who is pure 3d artist. Just get use to software. You could try to use flatten brush instead smooth for details so it will not look like liquid but create some nice sharp surfaces. Also check something what is called DynaMesh. I love this feature because you don't need to care much about mesh density while sculpting.
Here's few good tips:
http://youtu.be/vbCl66NFTSs?t=34m29s
zbrush center or polycount are good places to look for more resources. cheers!