Here's some more things:
1. Seperate feet.
2. More bodies and heads.
3. Different gunshot wounds.
4. Madness Interactive weapons. (etc. PPK, Uzi, axe)
5. Battle axe from MC6.
6. Melee weapons. (etc. nightsticks, hammers)
7. Please fix the bug where it goes back to Proceed in around 15 minutes.
8. A darker background!
9. Also, if you can find this sprite, the Sheriff's hat.
Rafffleclone
Here are some new things u might want in #4;
1. More guns
2. A new terrain
3. Vehicles(tanks, cars, possibly a helicopter for a larger terrain)
4. Objects(Explossive barrels, wall, PC, etc.)
5. Different blood marks
6. Speech bubbles that you can type in
7. A different sound track
8. possibly bombs, grenades, time bomb, smoke grenade, etc.
9. cooler guns like rocket launcher or MP40 or even a railgun
10. more melee weapons
11. turrets