you dont add additional images with the product list "media" icon anymore
Go into product, and "images" tab.
Click the radio button "upload" at the bottom.
Find the file, and then click "apply" at the top.
Do not click "save", or you will be back to the product list after save.
For each additional do the same thing.
When you have multiple pictures uploaded. At the top of the images tab, you can drag and drop them into teh order you want.
[attachment cleanup by admin]