Example of how you can use the 2.4 BuddyPress cover image feature for users profiles in BP Default

bp-default.patch

diff --git functions.php functions.php
index dd18c9e..0522e66 100644
--- functions.php
+++ functions.php
@@ -234,7 +234,7 @@ function bp_dtheme_enqueue_styles() {
 		}
 	}
 }
-add_action( 'wp_enqueue_scripts', 'bp_dtheme_enqueue_styles' );
+add_action( 'wp_enqueue_scripts', 'bp_dtheme_enqueue_styles', 9 );
 endif;
 
 if ( !function_exists( 'bp_dtheme_admin_header_style' ) ) :
@@ -825,3 +825,139 @@ function bp_dtheme_add_brackets_to_multiselectbox_attributes( $name ) {
 	return $name;
 }
 add_filter( 'bp_get_the_profile_field_input_name', 'bp_dtheme_add_brackets_to_multiselectbox_attributes' );
+
+// Register the Cover Image feature for Users profiles
+function bp_default_register_feature() {
+	bp_set_theme_compat_feature( 'legacy', array(
+		'name'     => 'cover_image',
+		'settings' => array(
+			'components'   => array( 'xprofile' ),
+			'width'        => 940,
+			'height'       => 225,
+			'callback'     => 'bp_default_cover_image', // See line 845
+			'theme_handle' => 'bp-default-main',
+		),
+	) );
+}
+add_action( 'bp_after_setup_theme', 'bp_default_register_feature', 10 );
+
+// Example of function to customize the display of the cover image
+function bp_default_cover_image( $params = array() ) {
+	if ( empty( $params ) ) {
+		return;
+	}
+
+	// avatar height - padding - 1/2 avatar height
+	$avatar_offset = $params['height'] - 5 - round( (int) bp_core_avatar_full_height() / 2 );
+
+	// header content offset + spacing
+	$top_offset  = bp_core_avatar_full_height() - 10;
+	$left_offset = bp_core_avatar_full_width() + 20;
+
+	$cover_image = isset( $params['cover_image'] ) ? 'background-image: url(' . $params['cover_image'] . ');' : '';
+
+	$hide_avatar_style = '';
+
+	// Adjust the cover image header, in case avatars are completely disabled
+	if ( ! buddypress()->avatar->show_avatars ) {
+		$hide_avatar_style = '
+			#item-header-cover-image #item-header-avatar {
+				display:  none;
+			}
+		';
+
+		if ( bp_is_user() ) {
+			$hide_avatar_style = '
+				#item-header-cover-image #item-header-avatar a {
+					display: block;
+					height: ' . $top_offset . 'px;
+					margin: 0 15px 19px 0;
+				}
+
+				div#item-header #item-header-cover-image #item-header-content {
+					margin-left:auto;
+				}
+			';
+		}
+	}
+
+	return '
+		/* Cover image */
+
+		#item-header-cover-image {
+			padding: 0 1em;
+			z-index: 999;
+			position:relative;
+		}
+
+		#header-cover-image {
+			background-color: #eaeaea;
+			background-position: center top;
+			background-repeat: no-repeat;
+			background-size: cover;
+			border: 0;
+			display: block;
+			left: 0;
+			margin: 0;
+			padding: 0;
+			position: absolute;
+			top: 0;
+			width: 100%;
+			z-index: 1;
+			height: ' . $params["height"] . 'px;
+			' . $cover_image . '
+		}
+
+		.bp-user #item-header {
+			padding-top: 0;
+			position: relative;
+		}
+
+		#item-header-cover-image #item-header-avatar {
+			margin-top: '. $avatar_offset .'px;
+			float: left;
+			overflow: visible;
+			width:auto;
+		}
+
+		div#item-header #item-header-cover-image #item-header-content {
+			clear: both;
+			float: left;
+			margin-left: ' . $left_offset . 'px;
+			margin-top: -' . $top_offset . 'px;
+			width:auto;
+		}
+
+		' . $hide_avatar_style . '
+
+		div#item-header-cover-image h2 a,
+		div#item-header-cover-image h2 {
+			color: #FFF;
+			text-rendering: optimizelegibility;
+			text-shadow: 0px 0px 3px rgba( 0, 0, 0, 0.8 );
+			margin: 0;
+			font-size:200%;
+		}
+
+		#item-header-cover-image #item-header-avatar img.avatar {
+			border: solid 2px #FFF;
+			background: rgba( 255, 255, 255, 0.8 );
+		}
+
+		#item-header-cover-image #item-header-avatar a {
+			border: none;
+			text-decoration: none;
+		}
+
+		#item-header-cover-image #item-buttons {
+			overflow:hidden;
+			margin: 20px 0 10px;
+			padding: 0 0 5px;
+		}
+
+		#item-header-cover-image #item-buttons:before {
+			content:"\00a0";
+		}
+	';
+}
+
diff --git members/single/home.php members/single/home.php
index 0c48e27..e917db1 100644
--- members/single/home.php
+++ members/single/home.php
@@ -16,7 +16,11 @@ get_header( 'buddypress' ); ?>
 
 			<div id="item-header" role="complementary">
 
-				<?php locate_template( array( 'members/single/member-header.php' ), true ); ?>
+				<?php if ( bp_displayed_user_use_cover_image_header() ) :
+					bp_get_template_part( 'members/single/cover-image-header' );
+				else :
+					bp_get_template_part( 'members/single/member-header' ); 
+				endif; ?>
 
 			</div><!-- #item-header -->
 
diff --git members/single/profile.php members/single/profile.php
index 4f4e14c..e61ebe9 100644
--- members/single/profile.php
+++ members/single/profile.php
@@ -28,6 +28,10 @@
 		elseif ( bp_is_current_action( 'change-avatar' ) )
 			locate_template( array( 'members/single/profile/change-avatar.php' ), true );
 
+		// Change Cover Image
+		elseif ( bp_is_current_action( 'change-cover-image' ) )
+			bp_get_template_part( 'members/single/profile/change-cover-image' );
+
 		// Display XProfile
 		elseif ( bp_is_active( 'xprofile' ) )
 			locate_template( array( 'members/single/profile/profile-loop.php' ), true );