Please decide which way you want to go
1. Static Routing
2. Dynamic Routing
3. Mixed Environment.
1. Static Routing, You might want to point default to other router if want to use static.
ip route 0.0.0.0 0.0.0.0 a.b.c.d ( Replace this with ...
Preferably I will never do that, you might be wasting your bandwidth inorder to achieve it.
It should be only required if all your users do FTP all the time. Now, again putting FTP is least priority queue is a smart solution, because you if...