I chap arein with listening to shiurim. Go onto torahanytime.com for a full selection of shiurim on Tisha B’av from R’Krohn & R’Wallerstein who can set your tone for these days.
A time to strengthen ourselves in ahavas yisrael (should be done whole year but at least in 3 weeks. Read gedolim stories like R’Scheinberg & R’Finkel who had the greatest ahavas yisrael of our dor! Iy”h by doing this it will speed Moshiach’s arrival!