
Good luck!!! :D
I advertised several times for lifts years ago (before the internet) and didn't get much response. You will often find that you are able to make arrangements like this with people once you have got to know fellow exhibitors at shows.
I am a non driver and totally reliant on lifts from several fellow exhibitors, it was really hard at first, (one freind who took me to most shows then died) especailly as I can't help with the driving, only share expenses.
I don't get to do the Open shows which I would like as my lifts bar one (who only does a few Champ shows) all come past me to shows but actually live about an hour away so have different catchment areas for smaller shows.