Exporting to Image file(s)
In the dialog that is presented, you can select the format as PNG, BMP, GIF or JPEG and then set the output file path. You will also notice that you can enable an option to add a watermark to the exported image as well as the location of the watermark. The watermark should ideally be a transparent PNG. See the Preferences section for information on how to define the watermark image.
Single frame vs multiple frames
If the image has multiple frames, each frame is written out in the selected file format, using the file name specification:
<filename>_<xxx>.<extension>
where xxx is the three digit padded frame number.
e.g.:
walk_001.png
walk_002.png
walk_003.png
walk_004.png