Open folders 'Sprites':

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Open 'miniimages.spr' and find the following line:
fed_galaxyw1 miniimages1 384 128 128 128

add beneath it:
npc_unityonew1 miniimages4 128  256 128 128
npc_unityoneDw1 miniimages4 256  256 128 128

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Open 'systembackgrounds.spr' and find the following line:
fed_galaxy_si systembackgrounds2 512 0 512 128

add beneath it:
npc_unityone_si systembackgrounds13 0 640 512 128
npc_unityoneD_si systembackgrounds13 512 640 512 128

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Open 'gui_global.spr' and find the following line:
b_fed_galaxy	all_interface_buildbuttons02	0	208	96	96		#	1	3

add beneath it:
b_npc_unityone	all_interface_buildbuttons10	0	0	96	96		#	2	1
b_npc_unityoneD	all_interface_buildbuttons10	0	0	96	96		#	2	1