Arduino to arduion I2C communication

I tried to connect 2 arduino with example code from wire lib but its not responding ... can any one figur out wats wrong ?

What code? Show both sides please. Also take a photo of your wiring.

thanks for ur kind reply :) ... i figured it i missd pullups :blush:

and i hav to program a atmega16 to be a slave can i use the header file wire.h for atmeg16 on WinAVR or any other....