Also, the Monodoc search patch is waiting approval at the mailing list. Just for the curious, here is an screenshot:
At the end I wasn't able to finish all the desired features like Comments or downloading new documentation. However, I plan to continue contributing, so they will come, sooner or later. I don't know yet how many free time I will have, but I'm sure I will find some to work with mono.
After reading lluis post I decided to play a little bit with Inkscape and, then, I realized why I spend more time programming than designing:
well, at least, the guys at simios.org seem happy with the logo I made for them.