The name basically says it all. The mod will highlight any blocks where monsters can spawn.
Screenshots:
Installation:
- Download and install Modloader or Minecraft Forge
- Delete META-INF file
- Download Monster Spawn Highlighter Mod
- Drag and drop jar file into “Minecraft.jar”
- Close “Minecraft.jar” and run minecraft!
- Done
For 1.5.2
Forge: http://www.dl.9minecraft.net/index.php?act=dl&id=1369841286
Mod Loader: http://www.dl.9minecraft.net/index.php?act=dl&id=1369841381
For 1.5.1
Forge: http://www.dl.9minecraft.net/index.php?act=dl&id=1369841270
Mod Loader: http://www.dl.9minecraft.net/index.php?act=dl&id=1369841310
For 1.4.7
Forge: http://www.dl.9minecraft.net/index.php?act=dl&id=1369841257
Mod Loader: http://www.dl.9minecraft.net/index.php?act=dl&id=1369841299
Credits: Lunatrius
Source: Monster Spawn Highlighter Mod for Minecraft 1.5.2/1.5.1/1.4.7