For this project a use some instructables...
For the Tombstone i bougt then at waltmart and follow this link
I got a Fog machine at Target for $25 + $10 for the timer, and built a Chiller with this link
The spider web in the wall and bugs got then at waltmart
The spider web in the tombstone was made with hot silicon gun & air blower
All the ilumination is made by RGB Leds controler by remote control
The sound effects are made using Sony Acid Software with 20 mp3 loop