Unfortunately, the only thing in my collection is this very unofficial (and slightly broken, but it did last almost 3 years - longer than the phone did), phone case.
http://i.imgur.com/I9maT61.jpg
I used to have the DC games too, in pretty good condition, but along with the other games as well as the cables and controller and VMU for my DC, no idea where they disappeared to between various home/country moves.