Just a test, technology is hard on an old man
https://spotwalla.com/tripViewer.php?id=1c5ae5c53167e35018&hoursPast=0&showAll=yes
https://spotwalla.com/tripViewer.php?id=1c5ae5c53167e35018&hoursPast=0&showAll=yes
If you are trying to get the map to embed, it isn't going to work. There needs to be some kind of "Share" option on the SpotWalla site. Even then, the link would need to be in a format that works with the Google Maps API system for sharing. For whatever reason, Google makes it really hard to embed their maps in forums
For SOME Google maps, you can do the following,
[gmap]https://spotwalla.com/tripViewer.php?id=1c7f75c5336efe77ac&hoursPast=0&showAll=yes[/gmap]
and that will display what you want. In your case, if you do the above, all you get is this,