island_featured_member.tpl
<a href="{ubb url="ubb=showprofile&User=`$uid`" title=$uncolored}"><img src="{$avatar}" border="0" {$picsize} /></a><br />
needs to be:
<a href="{ubb url="ubb=showprofile&User=`$uid`" title=$uncolored}"><img src="{$avatar}" border="0" {$picsize} alt="{$username}" /></a><br />