Make sure you have a consistent clear look by using uniform images and product titles. See here: What do good product images have to look like?
Regularly check whether the logo, banner and texts for the shop or brand page are given and up-to-date.
You can find the necessary information and editing possibilities regarding the shop page and brand page here.
The banner on the brand page should be appealing and up-to-date. In the case of seasonal images, these should always be suitable for the current season.