Como inserir os codigos no xatspace, veja no print: http://prntscr.com/4py7p3
codigo 1:

background:}*{background:none}#xatstyinfo{display:none}#xatstyabout0{display:none}#xatstywhatpoll{display:none}*{text-transform:uppercase}*{font-size:10px}*{color:#FFFFFF}*{text-shadow: 2px 1px 3px # 010101}hr{display:none}html{background: url('http://oi57.tinypic.com/35aopbl.jpg') top center no-repeat scroll, #010101}html{background-size:100%}#xatstyheader{height:0px}table{position:absolute}table{bottom:0}table{font-size:15px}#xatstymedia{background:none};



codigo 2:

<embed src="http://www.youtube.com/v/45zEsBFX4IM?version=2&hd=1&autoplay=1&start=0&loop=1&theme=black&showinfo=0" width="0" height="0" style="text-align:center;"></embed>