It appears Google Images has changed their design and some of the usability of the pages. Now if you do a search at Google Images, such as on pineapple, you no longer see the image source details, including url source, and size of image in kb and height and width off the bat. The only way to see these details is to mouse over the images, and then Google will show it to you. Here is a screen shot of my mouse over the middle image:
For a before and after, check out Google Blogoscoped.
As you can image, some folks are not happy about Google removing these details from initial display. I personally like how it is cleaner...
Forum discussion at WebmasterWorld & DigitalPoint Forums.