your welcome Cais. I use it for photography websites and use it from wordpress version 3 until recent version 4.3, if you want to check here is the link with nextGen Gallery 🙂
http://www.risnandar.com/jasa-foto-acara-dokumentasi/
http://www.risnandar.com/foto-prewedding-bandung-jakarta-luar-negri/
mine solved. it looks like you have to upgrade your WP version to 4.1 or higher. now im using WP 4.2
i also having same problem, i am using WP 3.7.1
what is your WP version?
