Mods Using the launcher (put the bin folder Back!)

Put the summary of the bug you're having here

What I expected to happen was...:
The mod would work

What actually happened was...:
i installed the mod as a person said but wouldn't open the minecraft game
instead came up w/ an error that everybody noticed on the video

Steps to Reproduce:
1. Application support
2. minecraft
3. versions
4. copy 1.6.1
5. edit the name of copied .jar file
6. name it the mod name
7.add .zip after .jar
8. unzip w/ Archive Utillity
9.open the folder
10. add mod contents in the folder
11. compress all the files in the folder you unziped
12. find Archive.zip and drag it to desktop
13.rename it to (mod name).jar
14. open the text file in of 1.6.1 Copy
15. instead of 1.6.1 put "(mod name)"
16. after that rename the .txt to (mod name)
17. open laucher
18. create a profile w/ (mod name)
19. save it
20. sign in
21. click "play"
22. it will come up w/ an error on 5th to last line (you will find it)