Have you tested your scripts manually, that is, from an xterm?
If they don't work, check that you have not accidentally created scripts with carriage return/line feed line endings instead of just line feed line endings. Shell scripts with cr/lf won't work.

If there are cr/lf line endings then the script can be fixed by passing it through 'tr -d "\r"', e.g. cat script.sh | tr -d "\r" > newscript.sh