Temple at Badami / Varanasi

http://przmm.blogspot.in/2011/09/fifth-incarnation-of-vishnu-trivikrama.html
http://varanasi-temples.com/category/vishnu-temples/trivikrama/

Bali/ Balipad / yami / Timing / Discussion / Note

http://www.freeindia.org/biographies/greatdevotees/bali/index.htm
http://en.wikipedia.org/wiki/Balipratipada
http://xa.yimg.com/kq/groups/23451465/1570401985/name/BALIPADYAMI.pdf
http://www.sumadhwaseva.com/2009/10/%E0%B2%AC%E0%B2%B2%E0%B2%BF%E0%B2%AA%E0%B2%BE%E0%B2%A1%E0%B3%8D%E0%B2%AF%E0%B2%AE%E0%B2%BF-deepavali/
http://sawaal.ibibo.com/puja-and-rituals/what-is-the-significance-of-bali-padyami-181610.html
The popular Onam festival in Kerala (August - September) also has the same legend. But there Mahabali visits his erstwhile subjects on the Thiruonam day. 

Bali tied up, Lord Vamana sitting on the throne & Prahlada (in yellow on left)

http://www.freeindia.org/biographies/greatdevotees/bali/page8.htm

Reference

Vaman Puran

http://www.urday.in/pvaman.htm

Vamanji's ashram

http://www.swaminarayan.org/festivals/vamanjayanti/index.htm

Sculptures

Stamp

http://philaindia.info/keralaonstamps.html

Rare vamana temples in kerala

http://www.keralaholidays247.com/rare-vamana-temples-in-kerala/

Audio Lecture on Vamandev

http://www.iskcondesiretree.net/photo/vaman-dvadasi-05

Video - Appearance of Lord Vamana

http://www.prabhupadanugas.eu/?p=22568

Reference

http://vedabase.net/v/vamana

Art Gallery

http://www.harekrsna.com/gallery/vamana1-gallery.htm

Celebration

http://mayapur.com/node/595

Vamana Therapy/ Dhauti

http://ayurveda.iloveindia.com/panchakarma/vamana-therapy.html
http://sivasakti.net/articles/yoga/vamana-dhauti-art62.html