They are blurry since they are being added as Thumbnails instead of as Full Images. When a photo is uplaoded it gives an option of Thumbnail (smaller and blurry until it is clicked on a downloaded in full definition) or Full Images.
Here are some related products that HardlineCrawlers members are talking about.
Clicking on a product will take you to HardlineCrawlers’s partner,
where you can find links to HardlineCrawlers discussions about these products.