I did this exactly:
Go to the mediafire.com link (below)
Click the 'download' link
When it comes up, it will give you the optino to 'Open', 'Save', and 'Options' click 'SAVE'
Save it in C:/Feralheart/Media/Textures
Once you're done downloading, open The Feral Heart Folder [C:/Feral Heart]
Go to; C:/Feral Heart - Media - Textures
Put ALL of the Image files inside The Texture's folder.
[click "Yes" or "copy and replace" on the overrides.]
Take the only file inside this pack that is NOT an image file "markings.cfg"
and put it in the main Feral Heart's Folder.
Restart Feralheart.
But IT WON'T SHOW UP ON MY COMP! Dx