The following are the recommended image sizes for different elements of the Magical Travel theme in pixels.
Banner: 1920 x 680
Featured Image of Single Post and Page: 1290 x 540
Adventures Section Home Page: 300 x 405
Best Seller section Home Page Thumbnail: 630 x 630 and 300 x 300
Featured Trips Section Thumbnail: 410 x 250
Blog Section Thumbnail: 410 x 250