Use the Select a Menu Item action.
Use the Click Mouse action, to click relative to the found image. The image to choose is a bit uncertain, I'd probably try
but that is small and grey, which is not great for the image match, so maybe use the heading
and a relative coordinate from that.
Use the Type a Keystroke action to Tab in to the field, and then Insert Text by Typing action to type the number, and then another Tab and repeat the number.
Click on the menu. As above, choose either an image like:
or use a click relative to the top banner.
Then the Insert Text by Typing action to type "PNG%Return%".
Use the Type a Keystroke action to type a Return.
Use Insert Text by Typing action to type the desired name, including the %Variable%Slide Number% retrieved as described in the linked post.
Use the Type a Keystroke action to type a Return.
Liberally add Pause actions to allow the previous actions to complete, especially after the menu selection, and after the clicks, and window changes.