As for sharing sets to Instagram, there is something that you can do without downloading the image - I remembered that a couple of minutes ago
Go to
urstyle.com on your mobile browser
Log in and go to your profile
Open the set you want to share by clicking on it
When the set opens, click on it again to get a context menu
Click on
Share image
Select "Feed" (with Instagram icon)
Then you will see a regular New Instagram post window!
You can select a desired filter, then add description and share your work on Instagram!
Here are some helpful pictures:
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Good luck!
Feel free to contact me if I can hep more
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