diff --git a/spec/23/photos/speakers/lea-petrasova-twitter.jpg b/spec/23/photos/speakers/lea-petrasova-twitter.jpg new file mode 100644 index 0000000..432f1cc Binary files /dev/null and b/spec/23/photos/speakers/lea-petrasova-twitter.jpg differ diff --git a/spec/23/photos/speakers/lea-petrasova-web.webp b/spec/23/photos/speakers/lea-petrasova-web.webp new file mode 100644 index 0000000..cf5b542 Binary files /dev/null and b/spec/23/photos/speakers/lea-petrasova-web.webp differ diff --git a/spec/23/photos/speakers/lea-petrasova.jpeg b/spec/23/photos/speakers/lea-petrasova.jpeg deleted file mode 100644 index 7eecc1a..0000000 Binary files a/spec/23/photos/speakers/lea-petrasova.jpeg and /dev/null differ diff --git a/spec/23/photos/speakers/markoinether-twitter.jpg b/spec/23/photos/speakers/markoinether-twitter.jpg new file mode 100644 index 0000000..10c008c Binary files /dev/null and b/spec/23/photos/speakers/markoinether-twitter.jpg differ diff --git a/spec/23/photos/speakers/markoinether-web.webp b/spec/23/photos/speakers/markoinether-web.webp new file mode 100644 index 0000000..4b1dc8f Binary files /dev/null and b/spec/23/photos/speakers/markoinether-web.webp differ diff --git a/spec/23/photos/speakers/markoinether.jpg b/spec/23/photos/speakers/markoinether.jpg deleted file mode 100644 index f5a015a..0000000 Binary files a/spec/23/photos/speakers/markoinether.jpg and /dev/null differ diff --git a/spec/23/photos/speakers/nataliya-grimberg-web.webp b/spec/23/photos/speakers/nataliya-grimberg-web.webp new file mode 100644 index 0000000..5cf0500 Binary files /dev/null and b/spec/23/photos/speakers/nataliya-grimberg-web.webp differ diff --git a/spec/23/photos/speakers/nataliya-grimberg.jpg b/spec/23/photos/speakers/nataliya-grimberg.jpg deleted file mode 100644 index 019d1b3..0000000 Binary files a/spec/23/photos/speakers/nataliya-grimberg.jpg and /dev/null differ diff --git a/spec/23/photos/speakers/six-twitter.jpg b/spec/23/photos/speakers/six-twitter.jpg new file mode 100644 index 0000000..3dba029 Binary files /dev/null and b/spec/23/photos/speakers/six-twitter.jpg differ diff --git a/spec/23/photos/speakers/tomas-vlasak-twitter.jpg b/spec/23/photos/speakers/tomas-vlasak-twitter.jpg new file mode 100644 index 0000000..e1c24e2 Binary files /dev/null and b/spec/23/photos/speakers/tomas-vlasak-twitter.jpg differ