Har Har Mahadev!
The Presence of Shiva Infographic
Har Har Mahadev
Shiva’s Adornments – The Symbols and Symbolism of Shiva
Shiva is nirgun. If you ever feel sad or dejected just say "I am Shiva and so I can't be sad. My innate state is to stay happy all the time in Sat-Chit-Anand or forever blissful."
Mahadev - beautiful Shiva, a perfect symbol to meditate on..alternatively one can meditate one ones favourite deity or Ishta Dev (or Divine Mother Durga-Parvati, the consort of Lord Shiva).