problem adding e-junkie & paypal button to wordpress page

I just made a wordpress page yesterday its smradiomixtapes.Wordpress.Com or smradiomixtapes.Com. The issue im having is i keep trying to add my e-junkie buy now buttons but it wont load it only shows the coding after adding the code. Can someone please help me asap. I also own another wordpress site an i dont have that issue on that wordpress it loads the buttons perfect. Its like after i click update half of the code disappears can someone help me pls. thanks

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