Asset Bank allows for images to be featured on the homepage. Featured images can be selected by administrators when visiting an asset view page and selecting More > Edit On Homepage
Then simply crop & zoom to select the perfect size for your featured asset
Featuring multiple assets is possible - Asset Bank will rotate through the ones you've selected each time the homepage is visited or refreshed.
An overview of all assets currently featured can be viewed by navigating to Admin > Content > Featured and clicking the 'Managed Featured Assets' link.
To remove an asset from this set, click on it to be taken to the asset view page then choose More > Remove From Homepage