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Pixabay images are CC0 version mostly, so its okay I guess. But other images, you need to credit properly. You can edit now also, if the post is younger than 7 days

I think I only use Pixabay or Wikipedia/Wikimedia Commons most of the time, let me check on it. Yes I just posted it a few hours ago.

In case you have more doubts, you can talk to us in #steemSTEM discord channel. You can tag me with the same username.

Oh I don't have Discord... only steem.chat. :D I'm happy at least I was able to find these helpful posts to make mine better. :D Thanks!

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