Extension:Tilesheets/ext tilesheet images table

mysql> describe ext_tilesheet_images;
+-------+-------------+------+-----+---------+-------+
| Field | Type        | Null | Key | Default | Extra |
+-------+-------------+------+-----+---------+-------+
| mod   | varchar(10) | NO   | PRI | NULL    |       |
| sizes | text        | NO   |     | NULL    |       |
+-------+-------------+------+-----+---------+-------+