docs: update sponsor images

Author: ncw

docs/content/sponsor.md

@@ -62,11 +62,12 @@ Thank you very much to our sponsors:
 {{< sponsor src="/img/logos/backblaze.svg" width="300" height="200" title="Visit our sponsor Backblaze" link="https://www.backblaze.com/cloud-storage-rclonead?utm_source=rclone&utm_medium=paid&utm_campaign=rclone-website-20250715">}}
 {{< sponsor src="/img/logos/idrive_e2.svg" width="300" height="200" title="Visit our sponsor IDrive e2" link="https://www.idrive.com/e2/?refer=rclone">}}
 {{< sponsor src="/img/logos/filescom-enterprise-grade-workflows.png" width="300" height="200" title="Start Your Free Trial Today" link="https://files.com/?utm_source=rclone&utm_medium=referral&utm_campaign=banner&utm_term=rclone">}}
+{{< sponsor src="/img/logos/mega-s4.svg" width="300" height="200" title="MEGA S4: New S3 compatible object storage. High scale. Low cost. Free egress." link="https://mega.io/objectstorage?utm_source=rclone&utm_medium=referral&utm_campaign=rclone-mega-s4&mct=rclonepromo">}}
 {{< sponsor src="/img/logos/sia.svg" width="200" height="200" title="Visit our sponsor sia" link="https://sia.tech">}}
 {{< sponsor src="/img/logos/route4me.svg" width="400" height="200" title="Visit our sponsor Route4Me" link="https://route4me.com/">}}
 {{< sponsor src="/img/logos/rcloneview.svg" width="300" height="200" title="Visit our sponsor RcloneView" link="https://rcloneview.com/">}}
 {{< sponsor src="/img/logos/rcloneui.svg" width="300" height="200" title="Visit our sponsor RcloneUI" link="https://github.com/rclone-ui/rclone-ui">}}
-{{< sponsor src="/img/logos/filelu-rclone.svg" width="330" height="200" title="Visit our sponsor FileLu" link="https://filelu.com/">}}
+{{< sponsor src="/img/logos/filelu-rclone.svg" width="250" height="200" title="Visit our sponsor FileLu" link="https://filelu.com/">}}
 {{< sponsor src="/img/logos/torbox.png" width="200" height="200" title="Visit our sponsor TORBOX" link="https://www.torbox.app/">}}
 
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