Add Or Change Look Of Video Border. In Gimp I go to COLOURS LEVELS and set the LEVELS to AUTO to bring out a more vivid image. Carefully crop around items on your image you want to LEAVE in the video.
You can add a border around it by adding inline style to the code like this. I still used 3 tracks one for background one for border and one for the video. The Rotate filter works pretty well for adding a border or a shadow.
You can edit this code to add the Iframe border in and it is very easy to accomplish.
You can change the color border style and width to give. For the style codes to change border colors on images and tables please see How to Change Border Colors. If the Properties window doesnt appear automatically use the right mouse button to click on the video and choose Properties from the menu. The first thing you will need to do is go to any post or page that has a video embedded in it already.