None of the previous solution in this thread apply to the new 8.1 version of Connections. The image processing code was rewritten from the ground up for several reasons. The benefits are all processing now uses core WordPress functions rather than third party scripts, responsive image and HiDPI (Retina) image support.
I am preparing a bugfix release which addresses several different issues a few users are having with images. If you can grant me FTP and admin access, I’ll install this bugfix release to make sure that it also addresses the issue with images on your site.
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