v0.30 is a release file of the Minecraft plugin Dynmap-Mobs. It was published on September 2, 2012 and is 0.2 MB in size. For the full description, screenshots and every other version, visit the Dynmap-Mobs plugin page.
How to install: Put the .jar into the plugins folder of your Paper, Spigot or Bukkit server and restart the server.