cn3588

20 bag Drop about 30%
24 bag Drop not sure.
Run at Northrend
Not 100% AFK you need click to open the door. run about 3-4 times you will get 20 bag.
http://www.wowhead.com/zone=4809/the-forge-of-souls
 
Kill
http://www.wowhead.com/npc=36497/bronjahm
Drop
http://www.wowhead.com/item=50317/papas-new-bag   20 bag
http://www.wowhead.com/item=50316/papas-brand-new-bag   22bag

Need click to open the door
100% drop. 
Run at Hellfire Peninsula
http://www.wowhead.com/zone=3836/magtheridons-lair
 
Kill
http://www.wowhead.com/npc=17257/magtheridon
Drop
http://www.wowhead.com/item=34845/pit-lords-satchel  20 bag

Range DPS Only or fast DPS skip the boss fly.  
 
Run at Kalimdor or TP
 
http://www.wowhead.com/zone=2159
Kill 
http://www.wowhead.com/npc=10184/onyxia
Drop 100% bag,   low for mount
http://www.wowhead.com/item=49636/reins-of-the-onyxian-drake
http://www.wowhead.com/item=49295/enlarged-onyxia-hide-backpack

http://www.wowhead.com/zone=4493/the-obsidian-sanctum
100% drop 
http://www.wowhead.com/item=43345/dragon-hide-bag
http://www.wowhead.com/item=43954/reins-of-the-twilight-drake
 
Run at Northrend or close dragonblight

http://www.wowhead.com/achievement=9456/abyssal-gulper-eel-angler
In Spires of Arak
non-afk
about 2 hour for 100 with Server Hop
 
useful Item
http://www.wowhead.com/item=118391/worm-supreme
 
 
note: 7.0.3 Server Hop may not work. 
2 Fish School in this location, 3-5 minutes reset
 
 

In Spires of Arak
non-afk
about 1 hour for 100 with Server Hop
AFK
about 3 hours for 100
 
useful Item
http://www.wowhead.com/item=118391/worm-supreme