This is the pic of the makeshift diaper, which is basically a bunch of toliet paper and tissues, this is before the piss.
http://i40.tinypic.com/2j26df5.jpg
This is after the piss, the diaper and shorts, all laid out on an old towel. Those are actually the back of my shorts since I was sitting the whole time. Sorry, there are no pics during the piss, but there was nothing "interesting" to see anyway.
http://i40.tinypic.com/2mo8tpk.jpg
http://i40.tinypic.com/30rqqth.jpg
This is just a pic of the toilet paper diaper.
http://i40.tinypic.com/ok4bjo.jpg
There's nothing else more I can do, as I pretty much cleaned everything. At least I don't need to piss now. Well, I won't do this again for a long time now, but I'll be happy to do few seconds pisses again some other time (maybe take better pictures of that).