Getting greedy!?! Yeah it can get a bit like that. lol
But choosing to downld more than your bandwidth can handle at one time is definitely going to leave you with files that don't connect at that time. Some great hints & xtra search & downld hints can be obtained from here:
To continue files downlding (click on link) & check out "ALL" the off-shoot links. That's where you might find some very handy pointers.