Xenforo BBCode Page IMG tag lists as xenforo.net

[trilogy33]

A very small thing here but you may have overlooked it, although it makes no difference to the result.
Check your: http://xenforo.com/community/help/bb-codes
Find:
[IMG] - Image

See how you've used xenforo.net as an example here?

 

[Mike]

It's intentional - it takes your image path. We're serving images (and JS) off of xenforo.net now (cookieless domain and all that).