Blue and Green SlimeCrystal graphics by baddaspig
http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1287648-tinkers-construct?comment=11208
http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1287648-tinkers-construct?comment=11214

Slime Sling and Slime Boots graphics by Futureazoo
https://github.com/SlimeKnights/TinkersConstruct/pull/2156