如何防止DIV扩展以占用所有可用的宽度?

In the following HTML, I'd like the frame around the image to be snug -- not to stretch out and take up all the available width in the parent container. I know there are a couple of ways to do this (including horrible things like manually setting its width to a particular number of pixels), but what is the In the following HTML, I'd like the frame aroun