Hiddur Mitzvah

Some articles on hiddur mitzvah, mitzvah:

Selecting The Four Species
... all mitzvot should be performed in the best manner possible, hiddur mitzvah (beautifying the mitzvah) especially applies to the Four Species ... Another custom for hiddur mitzvah is to, depending on your custom of wrapping lulav and etrog, is to have more than two aravos and three haddasim ... Hiddur mitzvah applies to all mitzvot, but its absence does not impede the mitzvah from being performed ...