The only fuses that really matter are:

Set for external full swing crystal oscillator.
Disable divide by 8.


Typical values:
Low 		0xF6 
High		0xD9
Extended	0xFF


This is the avrdude string (untested)
-U lfuse:w:0xf6:m -U hfuse:w:0xd9:m -U efuse:w:0xff:m
