help with my slaave tattoo!

well i gonna work on my sleeve tattoo.but i need help here is my tattoo: http://photos-e.ak.fbcdn.net/photos-ak-snc1/v2126/28/40/1639032691/n1639032691_88748_225.jpg AND... drawn this yesterday.. http://photos-c.ak.fbcdn.net/photos-ak-snc1/v4724/126/55/1585871252/n1585871252_30251474_6972213.jpg i want to add the two skulls that are on the left to it..but i want to add some stuff to the bottom till the midlle of my biceps..and have no idea..i dont want more skulls and eyes..can someone help? plz any ideas