whats with the gibs, wenn did we see them in game?

and do these values realy work:
violence_ablood 2
violence_agibs 2
violence_hblood 2
violence_hgibs 2

or is the "1" the highest value?

because I reskinned the gib model what comes in the most bloodpatches (for example in the schlex bloodpatch)

link for the new gibs:
http://www.fifaboards.schulzeugs.de/DoD/gibs.php

screenshot:
http://www.fifaboards.schulzeugs.de/DoD/pics/gibs.jpg

well i set mine to "2" and got nothing, when i put `em back to "1" the carnage commenced