how to change the in-call glow from green to blue on 3.0.
ssh into your iphone
go to
/system/library/coreservices/Springboard.app
change these file names
INC_Base.png to INC_Base2.png
INC_BaseWirelessModem.png to INC_Base.png
INC_Base2.png to INC_BaseWirelessModem.png
INC_Glow.png to INC_Glow2.png
INC_GlowWirelessModem.png to INC_Glow.png
INC_Glow2.png to INC_GlowWirelessModem.png
you should end up with something like this:
Your welcome! lol