This is a simple tutorial on how to change item(and block) names in Minecraft. This is for people who like to retexture things, and also want to rename them ;).

Things you'll need:
• Notepad (Notepad++ is HIGHLY recommended)
• Minecraft
• An archiver like WinRar or 7Zip

1. Start by going to the run dialog(in windows XP) or opening the start menu and clicking on the search box. In the dialog/searchbox type in %appdata%.
2. A folder is going to open up. From there go to(Roaming)\.minecraft\bin and then right click minecraft.jar and open it with your archiver.
3. Your archiver should open up(I'm using winrar). Now go inside the lang folder and find the language you're using. The default language is US english or en_us for short.
4. Extract the .lang file that corresponds to your language. After you extract it, open it with notepad and change the item's name to what you want.
5. Now go back to minecraft.jar and draw your modified .lang file right back inside the lang folder.
6. Now for the last IMPORTANT STEP: delete the META-INF folder (don't worry, it's absolutely safe).
7. Launch Minecraft and test to see if it works. If Minecraft displays a black screen then force update it and start over.

If you have any questions please post them below and I'll answer them as soon as I can :D.