function dd_xprofile_cover_image( $settings = array() ) {
	$settings['default_cover'] = 'http://...';
    $settings['width']  = 1920;
    $settings['height'] = 700;

    return $settings;
}
add_filter( 'bp_before_xprofile_cover_image_settings_parse_args', 'dd_xprofile_cover_image', 10, 1 );

function dd_groups_cover_image( $settings = array() ) {
	$settings['default_cover'] = 'http://....jpg';
    $settings['width']  = 1920;
    $settings['height'] = 700;

    return $settings;
}
add_filter( 'bp_before_groups_cover_image_settings_parse_args', 'dd_groups_cover_image', 10, 1 );



function bp_cover_img_path() {
	// Is the current page a user page?
	if ( bp_is_user() ) {

	$user_id = bp_displayed_user_id();

	$attachment = bp_attachments_get_attachment( 'url', array( 'item_id' => $user_id ) );

	$image_path = $attachment;
	// output only if an attachment exist
	if( !empty( $attachment ) ) { ?>
	<style type="text/css">
	.header-title.header-title-profile { background-image: url( '<?php echo $image_path; ?>' ); }
	</style>
	<?php } else { ?>
	<style type="text/css">
	.transparent-cover { display:none; }
	</style>
	<?php }

	}
}
add_action( 'bp_profile_cover_path', 'bp_cover_img_path' );


function bp_cover_group_img_path() {
	// Is the current page a user page?
	if ( bp_is_group() ) {

	$group_id = bp_get_group_id();

	 $attachment = bp_attachments_get_attachment( 'url', array(
	   'object_dir' => 'groups',
	   'item_id' => $group_id,
	) );

	$image_path = $attachment;
	// output only if an attachment exist
	if( !empty( $attachment ) ) { ?>

	<style type="text/css">
	.header-title.header-title-group { background-image: url( '<?php echo $image_path; ?>' ); margin-top: -133px; }
	</style>
	<?php } else { ?>
	<style type="text/css">
	.transparent-cover { display:none; }
	</style>

	<?php }
	}
}
add_action( 'bp_group_cover_path', 'bp_cover_group_img_path' );