Signature Difficulties

Alright, I would like to place either of these as my current signature,

[IMG]http://i889.photobucke*****m/albums/ac99/RickyPosey/Kid_Cudi_signature_by_z4hr4dk4r-1.png[/IMG]

Or,

[IMG]http://i889.photobucke*****m/albums/ac99/RickyPosey/Kid_Cudi_____Streets___by_DP16.jpg[/IMG]

( Gotta shrink that one down abit heh)

It seems like forum users can't have a Decent size Signature, but the admins can is this true?

Well, yes I like the first one better also But I meant to ask how can I post this It doesn't seem to let me put it as my sig that is what it comes out like down there /: (Look at my sig)