diff --git a/exfiltrate.py b/exfiltrate.py
index 59c0885..5ba4103 100644
--- a/exfiltrate.py
+++ b/exfiltrate.py
@@ -21,6 +21,7 @@ if __name__ == '__main__':
     parser.add_argument('--threads', type=int, default=10, help='Number of download threads to use.')
     parser.add_argument('--referer', help='The content of the Referer header to send.')
     parser.add_argument('--output', default='wmts-output', help='Output directory path.')
+    parser.add_argument('--proxy', action='store_true', help='Enable using a proxy.')
     parser.add_argument('--output-tiff', help='Path for output GeoTIFF. Default: wmts-output/output.tiff')
     parser.add_argument('--bbox', required=True, type=str, metavar='Bounding Box', nargs='+', default=(None, None, None, None), help='Bounding Box of the area to download. Separate each value with a space. (top left lat, top left lon, bottom right lat, bottom right lon)')
     args = parser.parse_args()
@@ -58,7 +59,7 @@ if __name__ == '__main__':
         row_i = row
         col_bar = tqdm(total=len(range(min_col, max_col + 1)), leave=False)
         with ThreadPoolExecutor(args.threads) as executor:
-            futures = [executor.submit(download_tile, (row, col, args.base_url, r_headers, tiles_output)) for col in range(min_col, max_col + 1)]
+            futures = [executor.submit(download_tile, (row, col, args.base_url, r_headers, tiles_output, args.proxy)) for col in range(min_col, max_col + 1)]
             for future in as_completed(futures):
                 result = future.result()
                 if result:
@@ -79,7 +80,7 @@ if __name__ == '__main__':
 
     col_bar = tqdm(total=len(retries), desc=f'Tile Retries')
     with ThreadPoolExecutor(args.threads) as executor:
-        futures = [executor.submit(download_tile, (row, col, args.base_url, r_headers, tiles_output)) for row, col in retries]
+        futures = [executor.submit(download_tile, (row, col, args.base_url, r_headers, tiles_output, args.proxy)) for row, col in retries]
         for future in as_completed(futures):
             result = future.result()
             if result:
diff --git a/pkg/thread.py b/pkg/thread.py
index fac43fb..59147de 100644
--- a/pkg/thread.py
+++ b/pkg/thread.py
@@ -1,5 +1,4 @@
 import shutil
-import time
 from pathlib import Path
 
 import requests
@@ -17,7 +16,7 @@ def del_path(p: Path):
 
 
 def download_tile(task):
-    row, col, base_url, r_headers, output = task
+    row, col, base_url, r_headers, output, use_proxy = task
     try:
         output_path: Path = output / f"{row}_{col}.png"
         if output_path.exists():
@@ -27,15 +26,16 @@ def download_tile(task):
                 return row, col, 'failure'
             return row, col, 'exist'
         tile_url = f"{base_url}/{row}/{col}"
-        response = requests.get(tile_url, headers=r_headers, proxies=PROXIES, timeout=60)
+        response = requests.get(tile_url, headers=r_headers, proxies=PROXIES if use_proxy else None, timeout=60)
         if response.status_code == 200:
             if not response.headers.get('Content-Type') == 'image/png':
                 raise Exception(f'Response gave Content-Type: {response.headers.get("Content-Type")}')
             with open(output_path, "wb") as f:
                 f.write(response.content)
-            if not is_png(output_path):
-                del_path(output_path)
-                return row, col, 'failure'
+            # Don't check the PNG after downloading, only when loading.
+            # if not is_png(output_path):
+            #     del_path(output_path)
+            #     return row, col, 'failure'
             return row, col, 'success'
         else:
             print(f"Failed to download tile {row}_{col}")