NSString *youtubeHTML = [[NSString alloc] initWithFormat:@"\
<html><head>\
<style type=\"text/css\">\
body { background-color: transparent;\
color: white; \
}\
</style>\
</head><body style=\"margin:0\">\
<iframe class=\"youtube-player\" width=\"280\" height=\"210\" src=\"http://www.youtube.com/embed/%@?\" frameborder=\"0\" allowfullscreen=\"true\"></iframe>\
</body></html>", videoID];
You can also use the URL to show/hide stuff, hd, start at a certain time.
youTubeView = [[UIWebView alloc] initWithFrame:CGRectMake(yourframe)];
[youTubeView loadHTMLString:youtubeHTML baseURL:nil];