For anyone who really annoys him/her the red battlefield border (unrealistic,...) here is a mod that makes it invisible.
http://www.twcenter.net/forums/attachment.php?attachmentid=67538&d=1261938529
There are no images of the mod because (is obvious) it is invisible but here is a image of PS edit:
Screenshots posted by Demokritos:
There is an option for remove the selection border on units:
In game: Options\Interface
At the bottom, first option.
In the zip file are:
mod_no_red_border.pack -->Just activate it with modmanager or script file.
mod_movearrow_blue.pack -->'' '' '' '' only if you like my own move arrow (blue with light edition)
mod_no_selection_borders -->'' '' '' '' for deleting selection borders on the campaign map.
The 4 dds files, if someone is interesting in doing something with them.
Location on the game: data\models.pack\rigidmodels\3dindicators\textures\... .dds