If this is an example of what you are tying to use on your site
[IMG]file:///C:/DOCUME%7E1/Owner/LOCALS%7E1/Temp/moz-screenshot.jpg[/IMG]
The image has to be online, not on a local computer. It has to be something liek
If it doesn't have the feature of using BB code, or doesn't have images with the bb code then its a matter of editing the existing bb function or creating one. Implementing bb code into a script is not something that can be easily explained on the forum (I don't know how much experience you have writing php code but unless you have a fair amount of experience its not going to make sense). If there is already bb code and images just are not included, if you can find the function and you post it I can edit it for you.