Add your own ringtone to your Iphone ! No hacks, no jail breaking ...!!!

First don't be confused by finding this post in software blog....I am developer by profession but gadget freak...!! ok..now we get started
Ever wondered adding your own ring tone to your Iphone and play that ringtone when ur best friend/loved one called !!
It's damn simple [No hacks, No jail break nothing...]

Here is the procedure
1. Open iTunes and connect your iphone
2. Go to Music folder and select the ringtone you want to upload [should be less than 40 sec with 3g/3gs phone] to iphone [this may be in any format as long as it appears in Music folder then thats fine].
3. Now right-click on the song you selected and select "Convert Selection to AAC."
ITunes create a duplicate version with same name.
4. Now you have to delete the old one[which is selected in step 2 and which is still highlighted]. So go ahead and right click the ringtone and select "Delete." BUT click on the "Keep Files" button so that it won't delete from hard disk.
5. Now select the file created in step 3. press CTRL + C to copy and paste it on Desktop [does not matter, u can select any location]
6. File you copied in Step 5 has .m4a extension/format.
7. Now, select the file you copied, in my case it is on desktop, and right click on it. Go to rename and change extension from .m4a to .m4r
8. Now drag this file and drop it in Music folder/ any folder which your iphone uses to sync. Click on 'Sync' button.
9. Now you can see your song in your custom list of your ring tones...!!!

Easy.....!!! REMEMBER STEP 4 IS VERY IMPORTANT OTHERWISE YOU WONT SEE YOUR CUSTOM RINGTONE IN YOUR IPHONE OR UNDER RINGTONES TAB IN YOUR ITUNES...

ENJOY.............

hold on...there is something...now you can assign this to specific contact so that u get ringtone when that person calls...it's simple...
Open your contact, then you see assign tone option, select custom ringtone u want to play...that's it........

Here is another, what if your song is more than 40 sec..[Step 2]! no worries following procedure cuts 40 sec from your entire song using Itunes !!!!!

1.Select the song you want to make into a ringtone.
2.Right-click the song and select "Get Info.".
3.Click "Options" tab.
4.Type start time (minutes: seconds format) in "start time" textbox where u want to start your ringtone.
5.do the same for "stop time" textbox [this is where u want to stop ur ringtone, amke sure ur start and stop time is not more than 40 sec].
9.Click "OK."

Then follow same procedure from Step 3 .........Enjoy