thumb error

Hi there !

I get a error while try to create thumbnails.

Warning: Division by zero in /users/galaxy-class/www/wordpress_342-de/wordpress/wp-content/plugins/flash-album-gallery/lib/gd.thumbnail.inc.php on line 278

Warning: Division by zero in /users/galaxy-class/www/wordpress_342-de/wordpress/wp-content/plugins/flash-album-gallery/lib/gd.thumbnail.inc.php on line 291

Warning: imagecreatetruecolor() [function.imagecreatetruecolor]: Invalid image dimensions in /users/galaxy-class/www/wordpress_342-de/wordpress/wp-content/plugins/flash-album-gallery/lib/gd.thumbnail.inc.php on line 421

Warning: imagecopyresampled() expects parameter 1 to be resource, boolean given in /users/galaxy-class/www/wordpress_342-de/wordpress/wp-content/plugins/flash-album-gallery/lib/gd.thumbnail.inc.php on line 753

Warning: Division by zero in /users/galaxy-class/www/wordpress_342-de/wordpress/wp-content/plugins/flash-album-gallery/admin/manage_thumbnail.php on line 40

What can I do to create thumbnails nevertheless ?

https://www.ads-software.com/extend/plugins/flash-album-gallery/