You are always welcome dan !
So what I noticed is , the images try to re-size themselves based on the size of the window of the browser.
The rogue in this case is the embedded window from the iITTF which pretty much remains the same size irrespective of the size of a the browser window. I am sure there will be ways of getting around this. Not a web developer my self so can't help you with exactly what is the fix or this but up for testing anytime
.. because I am sure people would have faced the same issue in other websites which stream