Nix, the only problem with that, is much like when pics of Saddam's hanging and when his kid's pictures were released. It can cause a whole lot of backlash within the rest of the world. Quite frankly, it's no excuse to me, personally, since I still want to see the pics. According to CNN, there are pictures, indicating that he was hit on the left side of his head, but that the government is leery to release them, out of concerns that they may be used as propaganda.

Also, there are several ideas as to why there was a burial at sea, ranging from trying to give a proper and humane Muslim burial, to a man who would likely not be claimed by a country. There was also the idea that if there was a burial site, it would attract both potential martyrs and people who would go to desecrate the site.