When you open ts media / kodi. look for 'setup' to change the url.
If an extension isn't connecting, firstly check the urls out in chrome or firefox etc and see if it works. if not edit the url to a proxy
Here are some proxies - do you want anything specific?
https://primewire.unblocked.pw/
http://solarmovie.my.to/
https://movie25.unblocked.pw
http://projectfreetv.my.to/
hope that helps