So...I might be being dense (that is usually my issue) but if we create a HA that we need to share, but not to wear (like for a contest where we don't actually own the items we are wearing, say) how do I save and share the HA image? I'm sure I used to know how to do this, but I clearly do not know how to do this today...

HAs are just saved now, not shared. You can take a screenshot and upload it to imgur for a contest though

Thank you!