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Yes you are right. Don't post it via peakd .

What I suggested was , just upload the image in peakd - once the upload is successful it will give you the image link. Just copy that image link , come to sportstalksocial and paste the image link it will work.

Did it make sense? Or did I confuse you?

No right I got your point, I don't feel comfortable to post a single image on peakd without content but I can use your suggestion and host an image on imgur. Then create my post and use the image link.
That's smart, thank you ;)