Admin clarify resistor values in $50 robot tutorial???

[iliketobuildthings]

 hey admin. you know in part B of the electronics section where it says to put in the resistor? what is the recomended value of that resistor?
And also, sorry to bother you, but wut is the value of th resistor in making the photoresistor sensors?
plz help meee!!

[ed1380]

use teh pictures to help you see what you need.

heres a color guide http://www.dannyg.com/examples/res2/resistor.htm