sickbeard is an awesome application to manage/download your favorite tvshows, and it’s prety simple to install on synology
step 1: add repository synocommunity in synology’s package center
step 2: install applications git, python and “sickbeard custom”
install sickbeard custom in synology’s package center, and checkout the best fork of sickbeard SickRage
step 3: install transmission in synology’s package center
step 4: setup your tvshow source folder and post processing configure.
now, you are good to go, enjoy 🙂