You can get the other language versions by editing the URL where it says "english". On mobile the store page just displays a static image, so I'm not sure if animated low-res backgrounds were ever made.

Static, waving to guy in house

https://shared.akamai.steamstatic.com/store_item_assets/steam/clusters/sale_summer2024/36a01fe4331ab0ca600ff205/page_bg_english.webp?t=1719376744

Static, waving to guy in house, low-res mobile version

https://shared.akamai.steamstatic.com/store_item_assets/steam/clusters/sale_summer2024/36a01fe4331ab0ca600ff205/page_bg_mobile_english.webp?t=1719376744

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Static, staring at ocean

https://shared.akamai.steamstatic.com/store_item_assets/steam/clusters/sale_summer2024/36a01fe4331ab0ca600ff205/page_bg_variant_english.webp?t=1719376744

Static, staring at ocean, low-res mobile version

https://shared.akamai.steamstatic.com/store_item_assets/steam/clusters/sale_summer2024/36a01fe4331ab0ca600ff205/page_bg_variant_mobile_english.webp?t=1719376744

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Animated, waving to guy in house

https://shared.akamai.steamstatic.com/store_item_assets/steam/clusters/sale_summer2024/36a01fe4331ab0ca600ff205/webm_page_bg_english.webm?t=1719376744

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Animated, staring at ocean

https://shared.akamai.steamstatic.com/store_item_assets/steam/clusters/sale_summer2024/36a01fe4331ab0ca600ff205/page_bg_variant_webm_english.webm