I also write for fun, though I would love to be published one day.  My process is similar to yours.  It just comes to me.  I do think my description could be better if I could visualize, but I think I do well with words because I rely on language to fill in for the lack of the visual.  

I also write for fun, though I would love to be published one day.  My process is similar to yours.  It just comes to me.  I do think my description could be better if I could visualize, but I think I do well with words because I rely on language to fill in for the lack of the visual.