You may, so far as I'm concerned, but with attribution and strictly for non-commercial use.
http://creativecommons.org/licenses/by-nc-sa/4.0/
Finally got round to checking the Terms & Conditions of this forum and no nasty surprises there https://www.planetofthevapes.co.uk/terms-and-conditions.html
"5.2 In accessing the Website you agree that you will access the content solely for your personal, non-commercial use. None of the content may be downloaded, copied, reproduced, transmitted, stored, sold or distributed without the prior written consent of the copyright holder. This excludes the downloading, copying and/or printing of pages of the Website for personal, non-commercial home use only."
This is the norm. So everyone needs to be aware of that and please do not "steal" anything that anyone posts – simple question to the OP (who will in UK law be the automatic copyright holder) is needed before downloading and then using anything, however trivial that might seem. So far as @pfvapes and his social media consultant are concerned, they may use anything posted in this thread because they asked.
Having spent years creating software and using images for a living, I'm a little sensitive about copyright issues. Let's just enjoy the posts and use them appropriately :-)
Here's another one (Monkey on my back):