Add sample training images with credits

.gitattributes

@@ -33,3 +33,7 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zip filter=lfs diff=lfs merge=lfs -text
 *.zst filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
+examples/1.jpg filter=lfs diff=lfs merge=lfs -text
+examples/2.jpg filter=lfs diff=lfs merge=lfs -text
+examples/3.jpg filter=lfs diff=lfs merge=lfs -text
+examples/4.jpg filter=lfs diff=lfs merge=lfs -text

README.md

@@ -15,4 +15,13 @@ Google
  	<li><a href="https://doi.org/10.1049/cvi2.12318">Citation</a></li>
  	<li><a href="https://github.com/google/cameratrapai">Main github page</a></li>
  	<li><a href="https://www.kaggle.com/models/google/speciesnet">Kaggle repo</a></li>
-</ul>
+</ul>
+
+## Sample images
+
+Four frames from the training data, in `examples/`. Credits:
+
+- `examples/1.jpg`: Orinoquia Camera Traps (Velez et al.), via LILA BC (CDLA-Permissive)
+- `examples/2.jpg`: Snapshot Serengeti (Swanson et al.), via LILA BC (CDLA-Permissive)
+- `examples/3.jpg`: Caltech Camera Traps (Beery et al.), via LILA BC (CDLA-Permissive)
+- `examples/4.jpg`: Orinoquia Camera Traps (Velez et al.), via LILA BC (CDLA-Permissive)