Move section in item-post.php and paste underneath line:
<?php osc_run_hook('item_publish_top'); ?>
Section that needs to be moved:
<section class="upload-photos">
<h2><?php _e('Photos', 'epsilon'); ?> <i class="show-tip fas fa-question-circle"></i></h2>
<div class="box photos photoshow drag_drop in">
<div id="photos">
<div class="sub-label"><?php echo sprintf(__('You can upload up to %d pictures per listing', 'epsilon'), osc_max_images_per_item()); ?></div>
<?php
if(osc_images_enabled_at_items()) {
if(eps_ajax_image_upload()) {
ItemForm::ajax_photos();
}
}
?>
</div>
</div>
<div class="tip">
<i class="fas fa-times close-tip"></i>
<p><strong><?php _e('Photos are selling!', 'epsilon'); ?></strong></p>
<p><?php _e('Did you know that listing with photos sells 7x faster than one with no photo?', 'epsilon'); ?></p>
<p><?php _e('Real product photos are key element for fast selling and helps customer to decide if product is really what they are looking for.', 'epsilon'); ?></p>
</div>
<?php osc_run_hook('item_publish_images'); ?>
</section>