Hey guys, allow me to link in an article (I just cleaned it up to add BlackBerry info, mainly COD file type) to help you host your own installers and such:

configuring apache for mobile browsing « rivviepop phantom

This'll let you host those JAD/JAR files to do your own OTA installs. I have plans (don't we all?) tow write an ALX to JAD converter script (bash), but just haven't gotten around to it; it's not too terribly hard to do by hand, though.