Otra opción....
Código PHP:
$enlace[1]="<object width='340' height='285'><param name='movie' value='http://www.youtube.com/v/lAEfizVIn9A&hl=es_ES&fs=1&color1=0x234900&color2=0x4e9e00&border=1'></param><param name='allowFullScreen' value='true'></param><param name='allowscriptaccess' value='always'></param><embed src='http://www.youtube.com/v/lAEfizVIn9A&hl=es_ES&fs=1&color1=0x234900&color2=0x4e9e00&border=1' type='application/x-shockwave-flash' allowscriptaccess='always'' allowfullscreen='true' width='340' height='285'></embed></object>";