1. If you are running one of the lastest versions of RideRunner you do not need to put x,rrgas in the menu.skin if you have put the RRGas folder in the plugins folder.
2. Make sure you have run the register.bat in the RRGas folder.
3. you will need to create (or edit) the button that calls the Gas Finder plugin from gas_pricefinder to RRGas.