diff --git a/application/config/mimes.php b/application/config/mimes.php
index dfa9f24..ac1479c 100644
--- a/application/config/mimes.php
+++ b/application/config/mimes.php
@@ -44,13 +44,13 @@
 	'lzh'	=>	'application/octet-stream',
 	'exe'	=>	array('application/octet-stream', 'application/x-msdownload'),
 	'class'	=>	'application/octet-stream',
-	'psd'	=>	'application/x-photoshop',
+	'psd'	=>	array('application/x-photoshop', 'image/vnd.adobe.photoshop'),
 	'so'	=>	'application/octet-stream',
 	'sea'	=>	'application/octet-stream',
 	'dll'	=>	'application/octet-stream',
 	'oda'	=>	'application/oda',
 	'pdf'	=>	array('application/pdf', 'application/x-download', 'binary/octet-stream'),
-	'ai'	=>	'application/postscript',
+	'ai'	=>	array('application/pdf', 'application/postscript'),
 	'eps'	=>	'application/postscript',
 	'ps'	=>	'application/postscript',
 	'smi'	=>	'application/smil',
@@ -160,7 +160,7 @@
 	'm3u'   =>	'text/plain',
 	'xspf'  =>	'application/xspf+xml',
 	'vlc'   =>	'application/videolan',
-	'wmv'   =>	'video/x-ms-wmv',
+	'wmv'   =>	array('video/x-ms-wmv', 'video/x-ms-asf'),
 	'au'    =>	'audio/x-au',
 	'ac3'   =>	'audio/ac3',
 	'flac'  =>	'audio/x-flac',