This plugin automatically re-downloads tagcloud.swf with Serbian alphabet letters.
First, CHMOD file
wp-content/plugins/wp-cumulus/tagcloud.swf to 777
Then, upload contents of zip archive to your
wp-content/plugins/ folder and activate plugin from WP admin area if you want it to run automatically.
Afterwards you can run the script manually by opening following URL in your web browser: http://www.yourwebsite.com/wp-content/plugins/wp-cumulus-autoupdate/
Also, script is automatically executed each time you update WP-Cumulus plugin (if plugin is activated).