You have 3-4 drops. You can fit both battalion. I did the maths at hand yesterday. You just need 2 screens of Skinks to fill battleline.
Edit for a list:
++ Pitched Battle** 2,000 (Order - Seraphon) [1,990pts] ++
+ Battleline +
Skinks [60pts]: 10 Skinks, Skink Alpha
. Meteoric Javelin, Celestite Dagger and Star-buckler
Skinks [60pts]: 10 Skinks, Skink Alpha
. Meteoric Javelin, Celestite Dagger and Star-buckler
+ Battalion +
Thunderquake Temple-Host [1,000pts]
. Bastiladon: Solar Engine
. Kroxigors: 3 Kroxigor, Moon Hammer
. Stegadon: Skystreak Bow
. Stegadon with Skink Chief: 3. Sacred Stegadon Helm, [The Thunder Lizard] Prime Warbeast, General, Skystreak Bow
Celestial Stampede [870pts]
. Bastiladon: Solar Engine
. Engine of the Gods: Fusil of Conflagration
. Stegadon with Skink Chief: 2. Cloak of Feathers, [The Thunder Lizard] Prime Warbeast
+ Allegiance +
Allegiance
. Allegiance: Seraphon
. . Coalesced: The Thunder Lizard
+ Game Options +
Game Type: 2000 Points - Battlehost
++ Total: [1,990pts] ++
The only thing I don't really like from this list is the lack of a Slann for CP generation and giving our EotG an extra die to roll.