Page view click: Clicking in the left half of the page view will cause a left page turn, clicking in the right half a right page turn
Option page view click: Clicking in the page view will cause an offset page turn in two page mode, moving only a single page forward instead of the default two
Drag scrolling
: Click and drag anywhere in the page view
Arrow keys: Used to scroll a comic view that is too large to display in a window. In addition scrolling to the right or left extreme of a page will cause a page turn to occur
Shift arrow keys: Holding the shift key will triple the default keyboard scrolling speed
Spacebar
: Page down, when the page view is at its lowest extreme a forward page turn will occur
Shift spacebar
: Page up, when the page view is at its upper extreme a backward page turn will occur
Command right/left arrow: Right or left page turn
Option right/left arrow: Offset page turn in two page mode, moving only a single page forward or backwards instead of the default two
Home and end keys: Go to the first and last page of the comic
Command T: Toggles thumbnail view

Command D: Change page order from left to right to right to left
This is applicable in both single and two page layout modes
Command P: Change between single and two page layout mode
Commmand L/R: Rotate the page view right or left

Command 1: Images is not scaled
Command 2: Images are scaled to fit in the window
Command 3: Images are scaled to fit within the window's horizontal dimension

Command F: Enter fullscreen mode
Command U: Toggle the image loupe
Drag files into the view area: Drag files into an existing session's view to open those files within that session
Option key while moving the scroll-wheel horizontally: Change the loupe's diameter
Option key while moving the scroll-wheel vertically: Change the loupe's magnification