diff --git a/models/PhotoMosaic.php b/models/PhotoMosaic.php
index 8fc0eef8..3f75407e 100644
--- a/models/PhotoMosaic.php
+++ b/models/PhotoMosaic.php
@@ -33,17 +33,21 @@ class PhotoMosaic
 			'panorama' => [Image::TYPE_PANORAMA],
 
 			// Big-small juxtapositions
-			'portrait' => [Image::TYPE_PORTRAIT, Image::TYPE_LANDSCAPE, Image::TYPE_LANDSCAPE,
-												 Image::TYPE_LANDSCAPE, Image::TYPE_LANDSCAPE],
-			'landscape' => [Image::TYPE_LANDSCAPE, Image::TYPE_LANDSCAPE, Image::TYPE_LANDSCAPE],
+			'sidePortrait' => [Image::TYPE_PORTRAIT, Image::TYPE_LANDSCAPE, Image::TYPE_LANDSCAPE,
+													 Image::TYPE_LANDSCAPE, Image::TYPE_LANDSCAPE],
+			'sideLandscape' => [Image::TYPE_LANDSCAPE, Image::TYPE_LANDSCAPE, Image::TYPE_LANDSCAPE],
 
 			// Single row of three
-			'landscapes' => [Image::TYPE_LANDSCAPE, Image::TYPE_LANDSCAPE, Image::TYPE_LANDSCAPE],
-			'portraits' => [Image::TYPE_PORTRAIT, Image::TYPE_PORTRAIT, Image::TYPE_PORTRAIT],
+			'threeLandscapes' => [Image::TYPE_LANDSCAPE, Image::TYPE_LANDSCAPE, Image::TYPE_LANDSCAPE],
+			'threePortraits' => [Image::TYPE_PORTRAIT, Image::TYPE_PORTRAIT, Image::TYPE_PORTRAIT],
+
+			// Dual layouts
+			'dualLandscapes' => [Image::TYPE_LANDSCAPE, Image::TYPE_LANDSCAPE],
+			'dualPortraits' => [Image::TYPE_PORTRAIT, Image::TYPE_PORTRAIT],
 
 			// Fallback layouts
-			'duo' => [Image::TYPE_LANDSCAPE, Image::TYPE_LANDSCAPE],
-			'single' => [Image::TYPE_LANDSCAPE | Image::TYPE_PORTRAIT],
+			'singleLandscape' => [Image::TYPE_LANDSCAPE],
+			'singlePortrait' => [Image::TYPE_PORTRAIT],
 		];
 
 		return $layouts;
diff --git a/templates/PhotosIndex.php b/templates/PhotosIndex.php
index adef18d0..537078b2 100644
--- a/templates/PhotosIndex.php
+++ b/templates/PhotosIndex.php
@@ -137,7 +137,7 @@ class PhotosIndex extends Template
 		}
 	}
 
-	protected function portrait(array $photos, $altLayout)
+	protected function sidePortrait(array $photos, $altLayout)
 	{
 		$image = array_shift($photos);
 
@@ -170,7 +170,7 @@ class PhotosIndex extends Template
 				</div>';
 	}
 
-	protected function landscape(array $photos, $altLayout)
+	protected function sideLandscape(array $photos, $altLayout)
 	{
 		$image = array_shift($photos);
 
@@ -203,41 +203,7 @@ class PhotosIndex extends Template
 				</div>';
 	}
 
-	protected function duo(array $photos, $altLayout)
-	{
-		echo '
-				<div class="row g-5 mb-5 tile-duo">';
-
-		foreach ($photos as $image)
-		{
-			echo '
-					<div class="col-md-6">';
-
-			$this->photo($image, 'duo', static::DUO_WIDTH, static::DUO_HEIGHT, true);
-
-			echo '
-					</div>';
-		}
-
-		echo '
-				</div>';
-	}
-
-	protected function single(array $photos, $altLayout)
-	{
-		echo '
-				<div class="row g-5 mb-5 tile-single">
-					<div class="col-md-6">';
-
-		$image = array_shift($photos);
-		$this->photo($image, 'single', static::SINGLE_WIDTH, static::SINGLE_HEIGHT, 'top');
-
-		echo '
-					</div>
-				</div>';
-	}
-
-	protected function landscapes(array $photos, $altLayout)
+	protected function threeLandscapes(array $photos, $altLayout)
 	{
 		echo '
 				<div class="row g-5 mb-5 tile-row-landscapes">';
@@ -257,7 +223,7 @@ class PhotosIndex extends Template
 				</div>';
 	}
 
-	protected function portraits(array $photos, $altLayout)
+	protected function threePortraits(array $photos, $altLayout)
 	{
 		echo '
 				<div class="row g-5 mb-5 tile-row-portraits">';
@@ -277,6 +243,52 @@ class PhotosIndex extends Template
 				</div>';
 	}
 
+	protected function dualLandscapes(array $photos, $altLayout)
+	{
+		echo '
+				<div class="row g-5 mb-5 tile-duo">';
+
+		foreach ($photos as $image)
+		{
+			echo '
+					<div class="col-md-6">';
+
+			$this->photo($image, 'duo', static::DUO_WIDTH, static::DUO_HEIGHT, true);
+
+			echo '
+					</div>';
+		}
+
+		echo '
+				</div>';
+	}
+
+	protected function dualPortraits(array $photos, $altLayout)
+	{
+		// Recycle the row layout so portraits don't appear too large
+		$this->threePortraits($photos, $altLayout);
+	}
+
+	protected function singleLandscape(array $photos, $altLayout)
+	{
+		echo '
+				<div class="row g-5 mb-5 tile-single">
+					<div class="col-md-6">';
+
+		$image = array_shift($photos);
+		$this->photo($image, 'single', static::SINGLE_WIDTH, static::SINGLE_HEIGHT, 'top');
+
+		echo '
+					</div>
+				</div>';
+	}
+
+	protected function singlePortrait(array $photos, $altLayout)
+	{
+		// Recycle the row layout so portraits don't appear too large
+		$this->threePortraits($photos, $altLayout);
+	}
+
 	public function setUrlSuffix($suffix)
 	{
 		$this->url_suffix = $suffix;