Okay let me preface this by saying I don't own a DSi and know next to nothing about it. But, Comex (Hackmii installer, Dev Team, etc.) is one of the few people I follow in Twitterland and he made a point to retweet this, so i figure it's gotta be worth something to someone:

Quote Originally Posted by SquidMan72
Anyone who wants me to rewrite WinterMutt's DSi installer thing, but open-source it, retweet this. If enough are interested, I'll do it.
about 4 hours ago via web
Retweeted by 100+ people
Original tweet here: Twitter / Alex Marshall: Anyone who wants me to rew ...

So if WinterMutt's DSi installer thing going open-source sounds like a plan, follow SquidMan72 and retweet your hearts out.