Hello - thanks for this plugin, it is really great! I just came across an unexpected conflict on the WP Admin side with the image prep functions in NextGen Gallery. I upgraded to the 3.6 version, but it didn't help. I am running WP 3.5.1 and if I deactivate ASM the issue goes away.
Here is the message which pops when I try to run the Rotate Image function in NextGen Gallery:
Fatal error: Class 'advanced_sidebar_menu_functions'
not found in /home/content/j/a/c/ktl2/html/wp-content/plugins/advanced-sidebar-menu/advanced-sidebar-menu.php
on line 15
I suspect there is a path issue, but I am not sure why this plugin is called while the NextGen functions are running.
I am running the latest version of nextgen gallery 1.9.12.