Update README.md

README.md

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-# ComfyUI_ExtraModels
-Support for miscellaneous image models. Currently supports: DiT,
+# Extra Models for ComfyUI
+
+This repository aims to add support for various random image diffusion models to ComfyUI.
+
+## Installation
+
+Simply clone this repo to your custom_nodes folder using the following command: `git clone https://github.com/city96/ComfyUI_ExtraModels custom_nodes/ComfyUI_ExtraModels`.
+
+## DiT
+### Model info / implementation
+- Uses class labels instead of prompts
+- Limited to 256x256 or 512x512 images
+- Same latent space as SD1.5 (works with the SD1.5 VAE)
+- Works in FP16, but no other optimization (yet)
+
+### Usage
+
+1. Download the model weights from the [DiT Repo](https://github.com/facebookresearch/DiT) or via this [direct link to the XL/2-512x512 model](https://dl.fbaipublicfiles.com/DiT/models/DiT-XL-2-512x512.pt)
+2. Place them in `ComfyUI\models\dit` (created on first run after installing the extension)
+3. Load the model and select the class labels as shown in the image below
+
+Conditioning nodes *should* work for combining multiple labels. The area ones don't since the model currently can't handle dynamic input dimensions.
+