add disabled option SIMPLEPIE_CACHE_IMAGES

config.php-dist

@@ -166,6 +166,14 @@
 	define('SIMPLEPIE_CACHE_DIR',	'/var/tmp/simplepie-ttrss-cache');
 	// Cache directory for RSS feeds when using SimplePie
 
+	define('SIMPLEPIE_CACHE_IMAGES', false);
+	// Ignore this option for now on, it doesn't work yet.
+
+	// Cache feed images when using SimplePie. This will allow you to
+	// see images in feeds when originating server uses some sort of
+	// hotlink prevention at the expense of local bandwidth and
+	// disk space.
+
 	define('COUNTERS_MAX_AGE', 365);
 	// Hard limit for unread counters calculation. Try tweaking this
 	// parameter to speed up tt-rss when having a huge number of articles