You will need to have a modern WordPress theme installed that uses<?php get_wphead ?>
on one of the theme pages, preferably in the header or index files.
Download the plugin files from http://wordpress.org/extend/plugins/vipers-video-quicktags/. Unzip the folder, and then upload it to the plugins
folder under /wp-content/
. Activate the plug-in, by navigating to the Plugins section of your WordPress administration panel and clicking on the Activate link.
After activating the plugin, visit the Settings link to configure default aspect ratios, remove or add video sites such as YouTube and Google Video, and even set alternate text for feeds. For example, click on the Google Video link. Under Dimensions, change the width to 300. This will automatically update the aspect ratio.
Click on the Save Changes button, and leave the settings as they are, to test the plugin with a new post. You can see an...