Here is a simple shortcode to include swf in your articles. You just have to give the address of the image (absolute or something that approximates to be relative), and the swf is inserted in your article to its own dimensions. Of course you can change these dimensions through the shortcode. You can also provide flashvars and change the parameters and attributes of the object. You can specify an id and/or class for the html object created.
It use swfObject2 (javascript) for swf embedding in the html page.
Requirements
It require Javascript enabled, php 4 (not sure).
You can also visit
Plugin Page