$(this) selector and children?

a layout similar to this

<div id="..."><img src="..."></div>

use a jQuery selector to select the child img inside of the div on click

The jQuery constructor accepts a 2nd parameter called context which can be used to override the context of the selection.

jQuery("img", this);

Which is the same as using .find() like this:

jQuery(this).find("img");

If the imgs you desire are only direct descendants of the clicked element, you can also use .children():

jQuery(this).children("img");