Pegas no player do youtube ou então fazes download do longtail flv player, e redimensionas até ficar apenas o butão de pause e play. Exemplo com o youtube:
<object width="30" height="25"><param name="movie" value="http://www.youtube.com/v/czRYJCzGO3A&hl=pt_PT&fs=1&autoplay=1 "></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/czRYJCzGO3A&hl=pt_PT&fs=1&autoplay=1" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="30" height="25"></embed></object>