You have the option to custumise customise your invoice e.g. add your address, a logo and custom text.
A click on the EDIT button opens an editor. Use pictures you have uploaded on SETTINGS -> BOOKING PAGE ENGINE -> PICTURES.
You can use [[Template Variables]] to personalise the invoice. There are also [[Template Variables]] for a bookingreference booking reference and a message which can be entered indivitually individually into each BOOKING.