We have bought a wordpress theme which requires some updates

General information for the website: Self catering agency website
Kind of development: Customization of existing website
Description of requirements/features: So we have a wordpress theme, but some of the headings are incorrect, the search filter does not provide the correct results, pricing is not correct, the web pages only display one image, we want to add thumbnail images as well, the enquiry form needs updating, images are squashed on specific location pages, we want to remove the heading "hotel". we also need a log designed, but this can be separated from this project.
Specific technologies required: wordpress
Extra notes: the website: http://theselfcateringcompany.co.uk/