Social Media Sidebox
This new mod is configured in admin but formatted / colored by CSS. Some of the CSS will not show up in older browsers but should degrade gracefully, losing the shadow and the rounded corners. You can activate / deactivate each icon in admin simply by entering a url.
The white and black of the icons come from a background image, or CSS sprite. You can chose to have either - both are included in each template. Then it is extremely easy to change the colors of the buttons.
Here are some examples from these templates: