video wont play

i am trying to embed video onto a website, but i cannot get it to play, i am trying wmv, ill it accepty this format, i have m3 music on another, and it plays fine . can anyoe give me some advice.

 

How did you embed it?

 

i used html, like i did with my music site,
www.freeuniquemusique.com
except the video format is wmv, should i use a different format, please advise