Single Unit Graphics for Civilization V
v10
http://forums.civfanatics.com/showthread.php?t=415885
by Nutty
Units are represented by one large model instead of many small ones (like Civilization III and earlier).
As a bonus, this can increase game performance.
v10
http://forums.civfanatics.com/showthread.php?t=415885
by Nutty
Units are represented by one large model instead of many small ones (like Civilization III and earlier).
As a bonus, this can increase game performance.

For those that don't like quadruped settlers, I've attached the Human Settlers modmod at the bottom of this post. If you have R.E.D. Modpack activated, there will be additional ethnic diversity for settlers.
HIGHLY recommended mods to use with Single Unit Graphics:
- Simple Unit Icon Raiser/Lowerer is a set of 2 mods that prevent unit heads from being obscured by their icons by either (1) moving city banners and unit icons slightly up, or (2) moving unit icons below the unit. See the bottom of this post.
Also see the Reduced Unit Graphics mod, which uses up to 3 models to represent units.