Re: Finally not so lonely!
The thing to remember is that the highest load is on the tensioner when you start the bike so be SURE it WILL NOT ROTATE! I tack weld mine after I get them installed properly but this will require a steel frame and welder. Your frame looks like aluminum which requires a different method.
The classic and sticky thread posts should have something you can use.
If more is better, then too much is just enough.
If you can't afford it, build it yourself.