Wow, great pictures.

They don't normally stay still long enough to get good shots like that.
Gallery Forum:
Go to the Gallery forum and click "New Image" which will open a new post window. Type whatever you want like a normal post the under the text area there is a link "Image Manager". Click that and on the window that appears use the "Browse" button to locate your pics then click "Add File". When you've finished click "Done Adding Files" to close that window and click "Submit" on the post page. Done.