Gallery thumbnails are not displayed in some cases after update to 2.0.0

Here is another issue I experience with 2.0.0:

Gallery thumbnails are not displayed on some pages after update to 2.0.0, athough I’m using the same old shortcode (nggallery id=2)

Thumbnails OK:
http://levendulahazak.eu/lido-villa/

Thumbnails NOT OK:
http://levendulahazak.eu/csenge-kepek-ketagyas/
_________________________________________________
– WordPress up to date? – yes
– NextGEN up to date? – yes
– What version of NextGEN Gallery did you upgrade from? – Latest before 2.0.0

(please confirm the following, with your server host tech) :
– MySQL up to date (at least 5.2.4)? – 5.1.70-cll
– PHP up to date (at least 5.0)? – 5.3.23
– The mod_rewrite Apache module activated? – don’t know
– PHP Safe Mode OFF? – don’t know

Additional information that will help us find a solution:
– Who are you hosted with? – domai-tarhely.net
– What theme are you running? – created in Artisteer, but have the same problem with default template
– Which plugins do you have installed and activated?
Akismet, Automatic Updater, Cimy Header Image Rotator, Column-Matic, Enhanced Text Widget, Lightbox Plus ColorBox, NextGEN Gallery by Photocrati, (Ninja Pages, Categories, and Tags), Page and Post Lister, Page Blocks, Post Content Shortcodes, Simple Google Analytics, TinyMCE Advanced, Under Construction, UpdraftPlus – Backup/Restore, User role editor, Visual Form Builder, WordPress Importer, WPML Multilingual CMS, WP Security Scan

Please help!!

http://wordpress.org/plugins/nextgen-gallery/