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To post image you have to download your image from coinigy on your computer.

Then go on http://postimg.org then upload the image. Get the png extension named as direct link.

Then come to steemit and post this code: ![](Your png code from postimg)

You will need to keep the links in the brackets ()And you will see your image uploaded on Steemit.

Cheers!

Cheers to @cryptotradings I used his mentioned method.