Just a quick army write, very themed 1000pts, think of the citadel guard more as rangers on horse.

FORCES OF GOOD
The Fellowship
Warband 1
Gandalf the White with Shadowfax;

Minas Tirith
Warband 2 8/12
Faramir, Captain of Gondor with armoured horse; Heavy armour; Lance; Shield;
6 Knight of Minas Tirith with Shield;
1 Knight of Minas Tirith with Shield; Banner;

Warband 3 6/12
Captain of Minas Tirith with Horse; Lance; Shield;
4 Knight of Minas Tirith with Shield;
2 Citadel Guard with Spear; Horse; Longbow;

Warband 4 6/12
Captain of Minas Tirith with Horse; Lance; Shield;
4 Knight of Minas Tirith with Shield;
2 Citadel Guard with Spear; Horse; Longbow;

Warband 5 6/12
Captain of Minas Tirith with Horse; Lance; Shield;
4 Knight of Minas Tirith with Shield;
2 Citadel Guard with Spear; Horse; Longbow;

1000pts 30 mounted models 6 longbows lots of lances
very elite but good theme