[leon]

Well manipulating TEmplate files is not as dangerous as with php files, but yes it is better to have a backup always.

TIP: instead of just uploading a tgz file to your server.... open it up on your PC and make changes locally and FTP them to your server, that way you always have a local change log (if you could call it that way) ready in case you messed up a file.

As with TPL files they are much easier to manipulate that way, cause you could have both skin1 and skin1_original folders available on your server just in case.