Hello i have this feature on my site. I'm busy right now. I will supply code later in the day.

Thanks

That would be terriffic. What is your sites' address?  Thanks 

Sorry for the delay

Here is the code. Visit mod/file/views/default/river/object/file
and replace the code in create.php with this one

<?php
/**
* New file river entry
*
* @package File
*/

$object = $vars['item']->getObjectEntity();

echo elgg_view('river/item', array(
'item' => $vars['item'],
'attachments' => elgg_view('object/file/river', array('entity' => $object)),
));

That's exacty my site.

Here is the code. Visit mod/file/views/default/river/object/file
and replace that of create.php with this

<?php
/**
* New file river entry
*
* @package File
*/

$object = $vars['item']->getObjectEntity();

echo elgg_view('river/item', array(
'item' => $vars['item'],
'attachments' => elgg_view('object/file/river', array('entity' => $object)),
));

not working with elgg 1.8.8

using 3c river and rivertalk plugin