The jalleg binding for Allegro covers essentially the entire library now, with all of the major parts tested. It is at the point I believe it is good enough to start using. Any feedback is appreciated, and if no issues arise, I will probably make a 0.1 release, although the binding itself is more like "1.0 beta". The library has been tested on both Windows and Linux (Ubuntu) at this point. I've also set up a wiki page on getting started in Windows and Linux.
There are a few examples but the default one that runs is a ball and paddle game using a handful of Allegro features: