I gave a talk at WordCamp Buenos Aires in May 2015 on finding and choosing the perfect theme.
Slides (in Spanish) are available here: Encontrar el diseño perfecto para tu sitio WordPress. For similar information in English, check out these Jumpstart resources on ThemeShaper.
It was a great event! Well organized and well attended; I was also impressed with the quality level of the presentations: from project management to extending the Customizer to web development psychology. Met a few people I’d emailed or seen online a bit in the WordPress.org community, and I’m very happy to see the WordPress community in South America growing and strong, and it was great to connect with the Argentinean open source community a bit more.
(Photo credit: Zulema Ayala.)