It is so interesting to see all the different art style!! There are some really good ones!
Well I don't have a particular art style, it depend's on the comic.
I'll show you my illustration style first:

This is a page from a comicbook I'm working on right now:

This is a panel from my current webcomic, this is the old style:

This is the style I want to use from now in the same webcomic:

I like the sketchy lines and the semi-realism effect they give.