For those who hardly know anything about him (including you I presume), I can shed a little more personal/insightful, biased/bigoted opinion on his exploits in Norway. Having followed Viking under their last 15 managers, in my humble opinion, he was by far the worst of the lot. Viking have only been relegated once from the top division in the last 37 years and that was the season he was in charge. Clueless coaching, comedy tactics and some borderline scary post match interviews. A bit like Dean Saunders without the playing career.
Clearly it is a limited timeframe, but backing that up in England with a resignation from a non-league club and a sacking from a team that got relegated to League 2, suggests that the tactical advice he gives to players who have played at the highest level in La Liga, Serie A, Ligue 1, the PL and the World Cup, might be a fun watch.