Step 1. Click your circle icon of your account on the top right corner
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-Step 2. Click Settings
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-Step 3. Open a new Tab and Go to http://postimg.org
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-Step 4 Click Choose Image and Upload your desired image

-Step 5 Copy the second link titled "Direct Link"
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-Step 6 Go back to tab from Step 2 Paste "Direct Link" into either Cover Image URL or Profile Picture URL. Scroll to the Bottom and Click Update