Raid England for loan signings, shouldn't really need to make any permanent signings until the following season.
Kyle Bartley, Dedryck Boyata and Sean Kavanagh are good shouts for defensive issues.
If you have Norwegian leagues loaded, Kristoffer Ajer at DM is a must-buy, got him for 10.75K.
Kenny Miller should run riot in that league though, got 25/30 goals for me.
If you have the budget try and sign Jordan White from Livingston. He scored 25 goals for them the first season