diff --git a/contrib/handle_archive/main.php b/contrib/handle_archive/main.php
index 635a2b33..9a62febb 100644
--- a/contrib/handle_archive/main.php
+++ b/contrib/handle_archive/main.php
@@ -36,11 +36,7 @@ class ArchiveFileHandler extends Extension {
 
 	private function supported_ext($ext) {
 		$exts = array("zip");
-		$ext = strtolower($ext);
-		foreach($exts as $supported) {
-			if($ext == $supported) return true;
-		}
-		return false;
+		return array_contains($exts, strtolower($ext));
 	}
 
 	// copied from bulk add extension
diff --git a/contrib/home/theme.php b/contrib/home/theme.php
index fbad17ff..55f21765 100644
--- a/contrib/home/theme.php
+++ b/contrib/home/theme.php
@@ -36,6 +36,7 @@ EOD
 			<div class='space'>
 				<form action='".make_link("post/list")."' method='GET'>
 				<input id='search_input' name='search' size='55' type='text' value='' autocomplete='off' /><br/>
+				<input type='hidden' name='q' value='/post/list'>
 				<input type='submit' value='Search'/>
 				</form>
 			</div>
diff --git a/ext/handle_pixel/main.php b/ext/handle_pixel/main.php
index 33fc02fa..a1964f3b 100644
--- a/ext/handle_pixel/main.php
+++ b/ext/handle_pixel/main.php
@@ -44,10 +44,7 @@ class PixelFileHandler extends Extension {
 
 	private function supported_ext($ext) {
 		$exts = array("jpg", "jpeg", "gif", "png");
-		foreach($exts as $supported) {
-			if($ext == $supported) return true;
-		}
-		return false;
+		return array_contains($exts, strtolower($ext));
 	}
 	
 	private function create_image_from_data($filename, $metadata) {
diff --git a/ext/index/theme.php b/ext/index/theme.php
index 997c6b26..1cd44720 100644
--- a/ext/index/theme.php
+++ b/ext/index/theme.php
@@ -64,6 +64,7 @@ class IndexTheme extends Themelet {
 			<p><form action='$h_search_link' method='GET'>
 				<input id='search_input' name='search' type='text'
 						value='$h_search_string' autocomplete='off' />
+				<input type='hidden' name='q' value='/post/list'>
 				<input type='submit' value='Find' style='display: none;' />
 			</form>
 			<div id='search_completions'></div>";