make a folder in your external HD called Movies
drag and drop your files into Movies folder
plug your HD into usb on tv look for Movies folder and play them back
you might need to select source on tv to find your HD
If his tle has got a usb socket!
i got the seagate thatre+ media player much better than the western dijital with it has 1080p hd output ther about 70uk without the hard drive(which u already have) worth buying
a lot of televisions do have a usb socket but most are only cabaple of music and photo slide shows
and the ones that do play media are normally one divx-xvid with the mp3 audio