Transformer icons and also convert optimus prime icon

Can anyone help to convert this optimus prime icon into png ?

looking for this two icon too

Here you go .

The 2 other icons are here .

wow thanks Laertis, that great

or like this

thanks for those illidan, hmm.. a less flat version would be cool too

Ty for these great icons... laertis that is a nice icon.

i found it at railhead too =)