How to put a picture in the middle of web page, and followed by some words?

┌──────────────────────────────────────┐
│              <Picture><Words>        │
│                                      │
└──────────────────────────────────────┘

As above shows, I want to put a picture in the middle of web page, and there are some words behind the picture.

How to design it? I suppose the should be a div to wrap the picture...?