Haven't looked but guessing that if the 'featured' field is blank, Flashback shows the four latest profiles by default, which lines up with what you describe.
Quote: But I would like these to interchange from all the profiles, is there an easy way of doing this
Are you asking to pick four random profiles?
Have just looked at the Flashback index.tpl template and see this code -
{if isset($_conf.jrFlashback_profile_ids) && strlen($_conf.jrFlashback_profile_ids) > 0}
{jrCore_list module="jrProfile" order_by="_profile_id asc" profile_id=$_conf.jrFlashback_profile_ids template="index_artists_row.tpl" limit="4"}
{elseif isset($_conf.jrFlashback_require_images) && $_conf.jrFlashback_require_images == 'on'}
{jrCore_list module="jrProfile" order_by="_profile_id numerical_desc" quota_id=$_conf.jrFlashback_artist_quota search1="profile_active = 1" template="index_artists_row.tpl" limit="4" require_image="profile_image"}
{else}
{jrCore_list module="jrProfile" order_by="_profile_id numerical_desc random" quota_id=$_conf.jrFlashback_artist_quota search1="profile_active = 1" template="index_artists_row.tpl" limit="4"}
{/if}
So that is where the template is checking for the featured field and showing either those profiles or the latest. But there looks to be a third 'random' option, so to get that, empty the featured field and turn the require images off.
Alternatively, if you permanently want random profiles WITH images, replace that whole section with -
{jrCore_list module="jrProfile" order_by="_profile_id numerical_desc random" quota_id=$_conf.jrFlashback_artist_quota search1="profile_active = 1" template="index_artists_row.tpl" limit="4" require_image="profile_image"}
hth
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Paul Asher - JR Developer and System Import Specialist