Don't hesitate to contact us if you have any additional questions.
Set the project dimensions from the settings panel before uploading any images.
If the imported images are not with the same size as set in the project settings they will be resized accordingly.
Storyboard mode (BETA)
Currently Storyboard mode is in BETA phase and thus doesn't support any editing of the mockup. Any changes performed in storyboard mode will be disregarded.