The BLH payment for Captains is €17 how much you earn really depends on your base, but BLH for flying are only part of it, you also get 4 x BLH for each standby duty 4 x17 = €68 and 10 days is not unusual in say LPA where there are few flights, but very long duty days on say ARN or OSL and back and your BLH is from report.
When you start you are allocated an agency, but can change after one month to the agency of your choice from the 3 used.
There will be ongoing recruitment for the foreseeable future to feed fleet expansion (10 new 738 delivered so far this year with a further 4 due before year end) with more deliveries due in 2014.
It is worth visiting their investor relations website at lot of useful info on their, being a public company they are very transparent