Firefox Developer Tools
 

I have the Firefox that installed with Dapper. It does not have Developer Tools installed with it.

Is there a way I can I get Firefox with Developer Tools installed through the repositories?

Thanks

if you mean the web developer tools, then make sure you have the universe repository in your sources.list and install the package firefox-webdeveloper

"Developer Tools" was not right. What I wanted was the DOM Inspector and I found it.

Thanks

Could you please tell the (searching/learning) audience where you've found it? - Thanks :)

Both the web developer tools and the DOM inspector are in the universe repository called:
firefox-webdeveloper and firefox-dom-inspector