Here are the best versions of those 2 songs that I have- straight out of my Itunes playlist:
Scandinavia (Live at Viña del Mar, Chile, 2012)
http://www.sendspace.com/file/xse7av
Art-hounds (Recorded Live at O2 Academy, Brixton, August 7,2011)
http://www.sendspace.com/file/pzrn27 (includes stage banter before and after the song)
http://www.sendspace.com/file/2ilbpi (slightly better quality recording, stage banter is cut out)