Module ANY HTML allows you to add iframes, javascript, youtube embed code and any HTML code in joomla module.
Requirement:
Joomla 1.5.X
Here’s how to use :
1. Download the Module ANY HTML here.
2. Go to Extensions –> Module Manager

3. Click New Button and chose module ANY HTML
4. Enable the module and Add any html tags (iframes [...]

Ways in fixing PNG transparency in IE 6:
1. Use of the IE PNG fix created by this site http://www.twinhelix.com/css/iepngfix/. This script use css declaration, supports <IMG SRC=””> image elements and background PNG images.