I don't know anything about Universal Battle, but I can shamelessly plug my own work:
http://www.forum.specialist-arms.com/index.php?topic=6419.0Battle report on my first time using it is here:
http://www.forum.specialist-arms.com/index.php?topic=6970.0I've played two games with it so far- it's a little clunky, but still quite useable. It still needs a fair bit of work- particularly sprite making. I am very grateful for any help, for sprites and Java programming. I haven't made the Empire or Dwarf sprites available yet, but can give them out easily enough, and no other armies have specific sprites (just use the generic markers).