How to prevent big images to break the forum's layout ?
Add this to your CSS:
thread .post img {max-width:450px;}Is there any restriction on the image url or file extension ?
nop. Not anymore.
Why isn't <img /> allowed by default in bbpress ?
Maybe because people may add huge images or p0rn or other unwanted content that would bothers other users and slow down your website. Who knows ?
How big is this plugin ?
5 short lines :-)
What is the average velocity of an unladen swallow?
What you mean? an African or European swallow?