diff --git a/README.md b/README.md
index 4f3f0b8..f71185a 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,12 @@ Example instructions for Automatic1111:
 3. Copy the link to this repository and paste it into URL for extension's git repository
 4. Click Install
 
+### Full Tutorial
+
+[**Double Your Stable Diffusion Inference Speed with RTX Acceleration TensorRT: A Comprehensive Guide**](https://youtu.be/kvxX6NrPtEk)
+
+[![image](https://cdn-uploads.huggingface.co/production/uploads/6345bd89fe134dfd7a0dba40/QhVEeR5hzqZ5SXujvTxzs.png)](https://youtu.be/kvxX6NrPtEk)
+
 ## How to use
 
 1. Click on the “Generate Default Engines” button. This step takes 2-10 minutes depending on your GPU. You can generate engines for other combinations. 
@@ -55,4 +61,4 @@ Having two seperate engines will heavily impact performance at the moment. Stay
 - Linux: >= 450.80.02
 - Windows: >=452.39
 
-We always recommend keeping the driver up-to-date for system wide performance improvments.
\ No newline at end of file
+We always recommend keeping the driver up-to-date for system wide performance improvments.
diff --git a/models.py b/models.py
index 1355c2b..e4e8ef3 100644
--- a/models.py
+++ b/models.py
@@ -214,7 +214,7 @@ def __init__(
         self.min_batch = 1
         self.max_batch = max_batch_size
         self.min_image_shape = 256  # min image resolution: 256x256
-        self.max_image_shape = 768 if version in ("1.4", "1.5") else 1024
+        self.max_image_shape = 768 if version in ("1.4", "1.5") else 2048
         self.min_latent_shape = self.min_image_shape // 8
         self.max_latent_shape = self.max_image_shape // 8