The dotSUB embed schema explained:

The DotSUB Flash player is available in 3 different sizes (soon to be 4), and each one can be embedded in your HTML with a simple line of code:

 
<iframe src="http://www.dotsub.com/media/c986a31f-3218-4e8e-ad14-9aab17bdb206/e/m" frameborder="0" width="420" height="347"></iframe>

The IFRAME code in this example references the medium sized player. You’ll notice at the end of the URL, there is a “/m” for “medium”. To change the size, you can simply change the “/m” to a “/l” for large, or an “/s” for the small player. If you change the URL in the IFRAME code, you’ll also need to change the height and width attributes to make sure the player fits inside the frame. The sizes are as follows:

Small : width="320" height="272"
Medium : width="420" height="347"
Large : width="480" height="392"

A default language can also be set in the embedded player by adding the 3 letter ISO language code to the end of the URL scheme. For exmaple, here is a reference to a small sized player with Spanish as the default language:


<iframe src="http://www.dotsub.com/media/c986a31f-3218-4e8e-ad14-9aab17bdb206/e/s/spa" frameborder="0" width="320" height="272"></iframe>

This will set language dropdown list in Player to Spanish, and the Spanish subtitles will start playing immediately, since the default behaviour of the player is to start playing when a language is selected from the drop down box.

If a language is not set in the URL, the player will pick up the default language from the browser. To over ride this behaviour and force the user to select a language by have the default item “Select Language…”, add “none” to the end of the URL as follows:


<iframe src="http://www.dotsub.com/media/c986a31f-3218-4e8e-ad14-9aab17bdb206/e/m/none" frameborder="0" width="420" height="347"></iframe>

We are working on a fourth player for large “cinematic” 16×9 widescreen films, and it may even be available by the time you read this post. You can check it by pointing your browser to
http://www.dotsub.com/media/c986a31f-3218-4e8e-ad14-9aab17bdb206/e/xw