To see images you have uploaded to Gyazo please visit your home page at https://gyazo.com/captures after logging in.
Another way to go to the home page is by clicking the magnifying glass icon which appears at the top left of each Gyazo image page.
Note: Free users has limit to access to older images.
To search & access older images from your home page, please upgrade to a pro account. You can always access Gyazo images by saving the link, even if you don't use the home page and don't have a Pro account.
Pro users enjoy great features including unlimited history access, fast image search, image editing, no ads, and more.