How to change gallery options - name, size, layout?
Go to Edit Gallery page and click on Options icon on the left side of the page. A pop up window will show up where you can set various options.
Gallery name - this is the name of your gallery.
Layout - select the layout for your gallery. You can choose one of the predefined layouts.
Open image links - you can set an URL for each image that you upload. That URL will be opened when you click on the image. With this setting you can specify if images should be opened in new or current window.
Width / Height - this is the overall size of the gallery.
Preview width / height - this is the size for the preview images depending on the layout selected.
Thumb width / height - this is the size for the thumbnails for all images depending on the layout selected.