My Mincraft mods won't work

My mods won't appear in game. Well one mod won't, its the only mod I've put them in the mods folder and everything. And when I get in game and press mods there nothing there but the original "mods" The mod i've been trying to download is The Crafting Dead

Huh

MEINKREFT

Have you tried using Forge modloader? It is very easy to install mods that way, just look up the instructions.

Manually installing mods is a pain.