Frustrated about your downloads requiring different players before you can enjoy them? How about Googling "vlc media player download" and downloading the latest version of this open-source multimedia player for various audio and video formats (including DVDs, VCD, Blu-Rays). This way, you need only install one media player in your gadget and won't be limited by the file format of the gems you see online.
There is even one for Android phones. Yay!