You can customise the top section of your booking page with add a logodescriptive text, picture and/images or texthtml content.
A click on the EDIT button opens an editor.
Use only You can include pictures you have uploaded on at SETTINGS -> BOOKING PAGE ENGINE -> PICTURESusing HTML image tags <IMG>. Your booking page is a secure page. Inserting pictures form , if you insert external content from other locations will cause ensure it is secure and uses https:// otherwise your page to will loose the secure status.