I used this plugin to make this easy. Refresh rate set to 10 secs, even though the camera only does an image every minute.
https://wordpress.org/plugins/image-autorefresh-shortcode/
Outside Camera
[image-autorefresh src=”http://webcam.lodge104.net” query_string=”directory=outside” width=640 height=480 align=”center” refresh_time=10 ]Inside Camera
[image-autorefresh src=”http://webcam.lodge104.net” query_string=”directory=inside” width=640 height=480 align=”center” refresh_time=10]