Visit this site to upload your profile picture to your steeemit account , click the link below... postimage.org
As the profile uploading procedure is a bit different to other social media platforms, I'll quickly cover the settings for you. Here you go.
To update profile picture, you will have to upload the image on the web first.
1 Go to postimage.org website.
2 From the Upload tab, click browse files and select your profile picture from the storage.
3 Click upload.
4 After it is uploaded, scroll down and copy the https address from the second box and upload your picture.
5 Copy the URL (website address) from the address bar.
6 Paste it into the Profile Picture URL box in your settings page on Steemit.