diff --git a/slingit/files/img/about_file_input.png b/slingit/files/img/about_file_input.png
new file mode 100644
index 0000000..397ef39
Binary files /dev/null and b/slingit/files/img/about_file_input.png differ
diff --git a/slingit/files/img/about_file_no_server.png b/slingit/files/img/about_file_no_server.png
new file mode 100644
index 0000000..2bb7f0a
Binary files /dev/null and b/slingit/files/img/about_file_no_server.png differ
diff --git a/slingit/files/img/about_file_to_client.png b/slingit/files/img/about_file_to_client.png
new file mode 100644
index 0000000..f291838
Binary files /dev/null and b/slingit/files/img/about_file_to_client.png differ