Don't know about how it was saved - just grabbed that one off the Internet. However, I can't rely on images being saved in a specific way (that is, if it can be helped!), because I'm designing this script to be very, very versatile. It's designed to allow a user to simply dump any number of images, any format, any size, into a directory, and the script will transform all images in that directory into an interactive slideshow.
I gave it a try, but I'm afraid I have little experience with using this style property and am not sure how you mean it to be incorporated. How do I also use the filter property to specify the opacity? This is what I tried:
<img id="transparent" src="dark-knight.jpg" />
And I also tried:
But I'm not at all sure I'm using that right.