Front page banner image

We are looking to change the image on our front page to replace it with the next marketing campaign we are going to be running.
The campaign is focused on a 10-DAY FREE TRIAL
Our web copy, online & offline adverts will be shouting out for visitors to take on the free trial & we would like the image on the front page to do the same.
www.forexsignal.co.uk is our homepage ( with the image that needs to be replaced )