diff --git a/gallery_dl/extractor/booru.py b/gallery_dl/extractor/booru.py
index 7f50bf10..b5d7323e 100644
--- a/gallery_dl/extractor/booru.py
+++ b/gallery_dl/extractor/booru.py
@@ -17,7 +17,6 @@ import urllib.parse
 class BooruExtractor(Extractor):
 
     info = {}
-    params = {"limit": 50}
     headers = {}
     page = "page"
     api_url = ""
@@ -26,6 +25,7 @@ class BooruExtractor(Extractor):
     def __init__(self):
         Extractor.__init__(self)
         self.params = {"limit": 50}
+        self.setup()
 
     def items(self):
         yield Message.Version, 1
@@ -40,6 +40,9 @@ class BooruExtractor(Extractor):
     def items_impl(self):
         pass
 
+    def setup(self):
+        pass
+
     def update_page(self, reset=False):
         """Update the value of the 'page' parameter"""
         # Override this method in derived classes if necessary.
diff --git a/gallery_dl/extractor/gelbooru.py b/gallery_dl/extractor/gelbooru.py
index 11a67f0c..bcf6acee 100644
--- a/gallery_dl/extractor/gelbooru.py
+++ b/gallery_dl/extractor/gelbooru.py
@@ -8,27 +8,19 @@
 
 """Extract image-urls from http://gelbooru.com/"""
 
-from .booru import XMLBooruExtractor
+from . import booru
 from .. import config
 
-info = {
-    "category": "gelbooru",
-    "extractor": "GelbooruExtractor",
-    "directory": ["{category}", "{tags}"],
-    "filename": "{category}_{id}_{md5}.{extension}",
-    "pattern": [
-        r"(?:https?://)?(?:www\.)?gelbooru\.com/(?:index\.php)?\?page=post&s=list&tags=([^&]+).*",
-    ],
-}
+class GelbooruExtractor(booru.XMLBooruExtractor):
+    """Base class for gelbooru extractors"""
 
-class GelbooruExtractor(XMLBooruExtractor):
+    category = "gelbooru"
+    api_url = "http://gelbooru.com/"
 
-    def __init__(self, match):
-        XMLBooruExtractor.__init__(self, match, info)
-        self.api_url = "http://gelbooru.com/"
-        self.params = {"page":"dapi", "s":"post", "q":"index", "tags":self.tags}
+    def setup(self):
+        self.params.update({"page":"dapi", "s":"post", "q":"index"})
         self.session.cookies.update(
-            config.get(("extractor", info["category"], "cookies"))
+            config.get(("extractor", self.category, "cookies"))
         )
 
     def update_page(self, reset=False):
@@ -36,3 +28,16 @@ class GelbooruExtractor(XMLBooruExtractor):
             self.params["pid"] += 1
         else:
             self.params["pid"] = 0
+
+class GelbooruTagExtractor(GelbooruExtractor, booru.BooruTagExtractor):
+    """Extract images from gelbooru based on search-tags"""
+    pattern = [r"(?:https?://)?(?:www\.)?gelbooru\.com/(?:index\.php)?\?page=post&s=list&tags=([^&]+)"]
+
+# TODO: find out how to access pools via gelbooru-api
+# class GelbooruPoolExtractor(GelbooruExtractor, booru.BooruPoolExtractor):
+    # """Extract image-pools from gelbooru"""
+    # pattern = [r"(?:https?://)?(?:www\.)?gelbooru\.com/(?:index\.php)?\?page=pool&s=show&id=(\d+)"]
+
+class GelbooruPostExtractor(GelbooruExtractor, booru.BooruPostExtractor):
+    """Extract single images from gelbooru"""
+    pattern = [r"(?:https?://)?(?:www\.)?gelbooru\.com/(?:index\.php)?\?page=post&s=view&id=(\d+)"]