I downloaded TMI mod on 1.1, then I updated it it 1.2 witht he ocelots and stuff. Now TMI doesn't work so I tried putting it in again with TooManyExplosives the same way I put it in on 1.1. The screen went black and it said this error:
Minecraft has crashed!
----------------------

Minecraft has stopped running because it encountered a problem.




--- BEGIN ERROR REPORT 7cf3a456 --------
Generated 01/03/12 18:31

Minecraft: Minecraft 1.2.2
OS: Windows 7 (x86) version 6.1
Java: 1.6.0_30, Sun Microsystems Inc.
VM: Java HotSpot(TM) Client VM (mixed mode), Sun Microsystems Inc.
LWJGL: 2.4.2
OpenGL: ATI Radeon HD 4550 version 3.3.10151 Compatibility Profile Context, ATI Technologies Inc.

java.lang.IllegalArgumentException: input == null!
at javax.imageio.ImageIO.read(Unknown Source)
at kz.<init>(SourceFile:21)
at gf.<init>(SourceFile:10)
at net.minecraft.client.Minecraft.a(SourceFile:248)
at net.minecraft.client.Minecraft.run(SourceFile:650)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 7675ff80 ----------

So I tried deleting the Mod files, (And no, I didn't delete any other general ones)
and it happened again.

How do I fix this? I tried deleting the whole folder because a youtube vid told me to if installing a mod went wrong. It also said it would just make another one. I did so and it didn't work.

Can anyone help me?