Well after spending all day shopping on Wednesday and finding only one pair of mediocre jeans, I've decided to incorporate dresses into my wardrobe. The problem is I have no clue how to wear them for fall. Let's say I'm wearing a black jersey dress. Can I wear leggings? Tights? What kind of shoes?

My work is casual and people wear everything from sweats to suit separates. So anything goes as far as formality/casualness. I just don't even know what's trendy.

Pics of examples are appreciated. Thanks!