diff --git a/classes/Avatar.php b/classes/Avatar.php
index 01d42f7406..3eada14c97 100644
--- a/classes/Avatar.php
+++ b/classes/Avatar.php
@@ -54,7 +54,7 @@ class Avatar extends Managed_DataObject
     function delete()
     {
         $filename = $this->filename;
-        if (parent::delete()) {
+        if (parent::delete() && file_exists(Avatar::path($filename))) {
             @unlink(Avatar::path($filename));
         }
     }
diff --git a/plugins/TwitterBridge/daemons/twitterstatusfetcher.php b/plugins/TwitterBridge/daemons/twitterstatusfetcher.php
index 771544fcce..b4b78dc80a 100755
--- a/plugins/TwitterBridge/daemons/twitterstatusfetcher.php
+++ b/plugins/TwitterBridge/daemons/twitterstatusfetcher.php
@@ -23,7 +23,7 @@ define('INSTALLDIR', realpath(dirname(__FILE__) . '/../../..'));
 // Tune number of processes and how often to poll Twitter
 // XXX: Should these things be in config.php?
 define('MAXCHILDREN', 2);
-define('POLL_INTERVAL', 60); // in seconds
+define('POLL_INTERVAL', 70); // in seconds, Twitter API v1.1 says 15 calls every 15 mins
 
 $shortoptions = 'di::';
 $longoptions = array('id::', 'debug');
diff --git a/plugins/TwitterBridge/lib/twitterimport.php b/plugins/TwitterBridge/lib/twitterimport.php
index d8b9f7a6bb..710aa7330a 100644
--- a/plugins/TwitterBridge/lib/twitterimport.php
+++ b/plugins/TwitterBridge/lib/twitterimport.php
@@ -317,17 +317,19 @@ class TwitterImport
             if ($avatar->filename === $filename) {
                 return null;
             }
+            common_debug(__METHOD__ . " - Updating profile avatar (profile_id={$profile->id}) " .
+			"from {$avatar->filename} to {$filename}");
             // else we continue with creating a new avatar
         } catch (Exception $e) {
             // Avatar was not found. We can catch NoResultException or FileNotFoundException
             // but generally we just want to continue creating a new avatar.
+            common_debug(__METHOD__ . " - No avatar found for (profile_id={$profile->id})");
         }
         
         $url        = "{$path_parts['dirname']}/{$img_root}_{$this->avatarsizename}{$ext}";
         $mediatype  = $this->getMediatype(mb_substr($ext, 1));
 
         try {
-            common_debug(__METHOD__ . " - Updating profile avatar (profile_id={$profile->id} to {$filename}");
             $this->newAvatar($profile, $url, $filename, $mediatype);
         } catch (Exception $e) {
             if (file_exists(Avatar::path($filename))) {