Cape Craft???

Hey guys,

While i was looking for some mods i found a mod called cape craft and what this does is gives you a cape that you upload on a website (links will be below). I thought this mod will be interesting for factions/other and makes it really cool E.g: My cape



Links:
http://www.minecraftforum.net/topic/482814-123-capecraft-updated-31112/
Link to upload capes: http://capes.capturedhdtv.com/site/demo.php

For lazy asses: my jar: http://www.mediafire.com/?d8v70mc3ntutson

Minecraft has crashed!
----------------------

Minecraft has stopped running because it encountered a problem.




--- BEGIN ERROR REPORT a67cdee --------
Generated 19/03/12 18:15

Minecraft: Minecraft 1.2.3
OS: Windows Vista (x86) version 6.0
Java: 1.7.0_01, Oracle Corporation
VM: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
LWJGL: 2.4.2
OpenGL: GeForce G 105M/PCI/SSE2 version 2.1.2, NVIDIA Corporation

java.lang.IncompatibleClassChangeError: Implementing class
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at mod_Armor.load(mod_Armor.java:15)
at ModLoader.init(ModLoader.java:890)
at ModLoader.addAllRenderers(ModLoader.java:186)
at aho.<init>(aho.java:79)
at aho.<clinit>(aho.java:9)
at net.minecraft.client.Minecraft.a(SourceFile:267)
at net.minecraft.client.Minecraft.run(SourceFile:650)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 2b1b44e8 ----------

Admin wrote:
Minecraft has crashed!
----------------------

Minecraft has stopped running because it encountered a problem.




--- BEGIN ERROR REPORT a67cdee --------
Generated 19/03/12 18:15

Minecraft: Minecraft 1.2.3
OS: Windows Vista (x86) version 6.0
Java: 1.7.0_01, Oracle Corporation
VM: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
LWJGL: 2.4.2
OpenGL: GeForce G 105M/PCI/SSE2 version 2.1.2, NVIDIA Corporation

java.lang.IncompatibleClassChangeError: Implementing class
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at mod_Armor.load(mod_Armor.java:15)
at ModLoader.init(ModLoader.java:890)
at ModLoader.addAllRenderers(ModLoader.java:186)
at aho.<init>(aho.java:79)
at aho.<clinit>(aho.java:9)
at net.minecraft.client.Minecraft.a(SourceFile:267)
at net.minecraft.client.Minecraft.run(SourceFile:650)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 2b1b44e8 ----------

When you drag the jar in the folder make sure its on top of version.dat file