Thanks for reaching out! You can edit the submission form by following the instructions here – the template you want to copy over can be found at wp-content/plugins/the-events-calendar-community-events/src/views/community/edit-event.php.
We are a bit limited in the amount of support that we can provide for customizations, but if you get stuck or have any questions, please let me know!
Hey there! This thread has been pretty quiet for the last three weeks, so we’re going to go ahead and close it to avoid confusion with other topics. If you’re still looking for help with this, please do open a new thread, reference this one and we’d be more than happy to continue the conversation over there.