How to get ringtones from my ipod to my iphone?

I have an ipod touch and an iphone 4 and they are both on the same itunes account. I have downloded ringtones on my ipod and i'm wondering how i get them from my ipod to my iphone? The ringtones don't show up on itunes but they show up on my ipod

If you have the same account, you should be able to transfer from iPod to iPhone. If you can't, try the iPod to iPad Transfer. This Transfer can be used as an ideal iPod to iPhone Transfer since it provides a perfect way to transfer any file from iPod to iPhone. Its free download is avaible here:
http://www.macipadvideoconverter.org/guides/ipod-to-iphone-transfer.html