I see I made an error on one of my layouts. I tried to delete it and upload a revised one but the "old" one is still displaying. Is there a trick to this?? Your help would be much appreciated 
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Have you tried holding CTRL and hitting the refresh button or F5 (which refreshes a page in, as far as I'm aware, most browsers)? I know it works in Edge and Chrome. It forces the page to refresh without using the cache (the saved version of the page on your computer that allows it to load faster), which may allow you to see an update you made that wasn't loading for you.
Yes cache can be a bit stubborn. Doing what Amanda says usually does the trick but when it doesn't sometimes you just have to wait for DigitalScrapbook.com's cache to update. A lot of times I will click on the image, select "open link in new window" and that will bring up the original sized version...that way I make sure I have uploaded the new version as that isn't usually cached like the image is on the layout page. If after doing that it still doesn't refresh the layout image I just wait and eventually it updates.
Thank you Amanda and Jessica. The layout DID eventually update! Happy happy lol