Listens: the hush sound

My last post here wasn’t umm the best one, it was more about asking someone to make me an icon then about asking for help so I’ll ask a question this time to make up for my last post. So I was wondering, how do I get a drawn/pop art effect?

I want to know how to get this effect in this picture, as well as the pop art effect in this, this, and this picture. I just want to know how to get that pop art effect and that drawn look like in the first picture

Thanks in advance!

I USED ADOBE PHOTOSHOP 7.0



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Photo Sharing and Video Hosting at Photobucket

Photo Sharing and Video Hosting at Photobucket

Photo Sharing and Video Hosting at Photobucket