What do you think of my cover of this song?

Please could you tell me what you think of my version of cooler than
me?
I didn't think it was good but my friend told me to edit it and put it
on youtube please could you tell me wether you think i should keep it
up there and if you think its good or not!
http://www.youtube.com/watch?v=QUSqAcWrlVo
Also could you have a look at my other songs

http://www.youtube.com/watch?v=4mwgsfUbiPs

http://www.youtube.com/watch?v=fXsohV3NzU8

Thank you please could you tell me what song your commenting on a
which is the best,thank you :)