Update README.md

README.md

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 The dataset references images from three sources. Follow the instructions below to obtain the images:
 
 ### 1. SMID (Social-Moral Image Database)
+Download from: https://osf.io/2rqad/
 
-**~2,401 images**
+### 2. LAION-400M 
+Available here: https://laion.ai/blog/laion-400-open-dataset/
+
+### 3.ImageNet 
+Requires registration
+1. Register at: https://image-net.org/download.php
+2. Download ILSVRC2012 validation set
+3. Images are named like: ILSVRC2012_val_00012789.JPEG
+Note: ImageNet requires agreeing to their terms of use for research purposes.
+
+### License
+This dataset follows the licenses of its source datasets:
+
+**SMID:** Check OSF page
+**ImageNet:** Research use only, requires registration
+**LAION:** Creative Commons license