diff --git a/contrib/image_hash_ban/main.php b/contrib/image_hash_ban/main.php
index 7c5736a1..e96c7d0e 100644
--- a/contrib/image_hash_ban/main.php
+++ b/contrib/image_hash_ban/main.php
@@ -48,6 +48,7 @@ class ImageBan implements Extension {
 
 			$row = $database->db->GetRow("SELECT * FROM image_bans WHERE hash = ?", $event->hash);
 			if($row) {
+				log_info("image_hash_ban", "Blocked image ({$event->hash})");
 				throw new UploadException("Image ".html_escape($row["hash"])." has been banned, reason: ".format_text($row["reason"]));
 			}
 		}
diff --git a/contrib/pm/main.php b/contrib/pm/main.php
index 95faa98d..4eb3618d 100644
--- a/contrib/pm/main.php
+++ b/contrib/pm/main.php
@@ -83,6 +83,7 @@ class PM implements Extension {
 						}
 						else if(($pm["to_id"] == $user->id) || $user->is_admin()) {
 							$database->execute("DELETE FROM private_message WHERE id = ?", array($pm_id));
+							log_info("pm", "Deleted PM #$pm_id");
 							$event->page->set_mode("redirect");
 							$event->page->set_redirect(make_link("user"));
 						}
@@ -112,6 +113,7 @@ class PM implements Extension {
 				array($event->from_id, $event->from_ip,
 				$event->to_id, $event->subject, $event->message)
 			);
+			log_info("pm", "Sent PM to User #$to_id");
 		}
 	}
 
@@ -134,6 +136,8 @@ class PM implements Extension {
 			");
 			$config->set_int("pm_version", 1);
 		}
+
+		log_info("pm", "extension installed");
 	}
 
 	private function get_pms(User $user) {
diff --git a/core/event.class.php b/core/event.class.php
index f176f4fb..ed88e2a5 100644
--- a/core/event.class.php
+++ b/core/event.class.php
@@ -91,4 +91,34 @@ class TextFormattingEvent extends Event {
 		$this->stripped  = $h_text;
 	}
 }
+
+
+/*
+ * LogEvent
+ *  $section  = a category, normally the extension name
+ *  $priority = see python
+ *  $message  = free text
+ */
+class LogEvent extends Event {
+	var $section;
+	var $priority = 0;
+	var $message;
+	var $time;
+
+	public function __construct($context, $section, $priority, $message) {
+		parent::__construct($context);
+		$this->section = $section;
+		$this->priority = $priority;
+		$this->message = $message;
+		$this->time = time();
+
+		// this should be an extension
+		$ftime = date("Y-m-d H:i:s", $this->time);
+		$username = $context->user->name;
+		$ip = $_SERVER['REMOTE_ADDR'];
+		$fp = fopen("shimmie.log", "a");
+		fprintf($fp, "$ftime\t$section/$priority\t$username/$ip\t$message");
+		fclose($fp);
+	}
+}
 ?>
diff --git a/core/imageboard.pack.php b/core/imageboard.pack.php
index e1b58dae..12d83939 100644
--- a/core/imageboard.pack.php
+++ b/core/imageboard.pack.php
@@ -275,6 +275,7 @@ class Image {
 					array($tag));
 		}
 
+		log_info("core-image", "Tags for Image #{$this->id} set to: ".implode(" ", $tags));
 		$this->database->cache->delete("image-{$this->id}-tags");
 	}
 
@@ -285,6 +286,7 @@ class Image {
 	public function delete() {
 		$this->delete_tags_from_image();
 		$this->database->execute("DELETE FROM images WHERE id=?", array($this->id));
+		log_info("core-image", "Deleted Image #{$image->id} ({$image->hash})")
 
 		unlink($this->get_image_filename());
 		unlink($this->get_thumb_filename());
diff --git a/core/user.class.php b/core/user.class.php
index ce7691a1..028347e7 100644
--- a/core/user.class.php
+++ b/core/user.class.php
@@ -78,11 +78,13 @@ class User {
 		assert(is_bool($admin));
 		$yn = $admin ? 'Y' : 'N';
 		$this->database->Execute("UPDATE users SET admin=? WHERE id=?", array($yn, $this->id));
+		log_info("core-user", "Made {$this->name} admin=$yn");
 	}
 
 	public function set_password($password) {
 		$hash = md5(strtolower($this->name) . $password);
 		$this->database->Execute("UPDATE users SET pass=? WHERE id=?", array($hash, $this->id));
+		log_info("core-user", "Set password for {$this->name}");
 	}
 }
 ?>
diff --git a/core/util.inc.php b/core/util.inc.php
index 618eea3d..351157cd 100644
--- a/core/util.inc.php
+++ b/core/util.inc.php
@@ -215,6 +215,27 @@ function format_text($string) {
 }
 
 
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
+* Logging convenience                                                       *
+\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+define("LOG_CRITICAL", 50);
+define("LOG_ERROR", 40);
+define("LOG_WARNING", 30);
+define("LOG_INFO", 20);
+define("LOG_DEBUG", 10);
+define("LOG_NOTSET", 0);
+
+function log_msg($section, $priority, $message) {
+	global $context;
+	send_event(new LogEvent($context, $section, $priority, $message));
+}
+
+function log_info($section, $message) {
+	log_msg($section, LOG_INFO, $message);
+}
+
+
 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
 * Things which should be in the core API                                    *
 \* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
diff --git a/ext/admin/main.php b/ext/admin/main.php
index a72b7b3c..3ff685bb 100644
--- a/ext/admin/main.php
+++ b/ext/admin/main.php
@@ -43,6 +43,7 @@ class AdminPage implements Extension {
 
 		if(($event instanceof PageRequestEvent) && $event->page_matches("admin_utils")) {
 			if($event->user->is_admin()) {
+				log_info("admin", "Util: {$_POST['action']}")
 				set_time_limit(0);
 				$redirect = false;
 
diff --git a/ext/comment/main.php b/ext/comment/main.php
index a8b62cef..c2f6b520 100644
--- a/ext/comment/main.php
+++ b/ext/comment/main.php
@@ -400,17 +400,21 @@ class CommentList implements Extension {
 					"INSERT INTO comments(image_id, owner_id, owner_ip, posted, comment) ".
 					"VALUES(?, ?, ?, now(), ?)",
 					array($image_id, $user->id, $_SERVER['REMOTE_ADDR'], $comment));
+			$cid = $database->db->Insert_ID();
+			log_info("comment", "Comment #$cid");
 		}
 	}
 
 	private function delete_comments($image_id) {
 		global $database;
 		$database->Execute("DELETE FROM comments WHERE image_id=?", array($image_id));
+		log_info("comment", "Deleting all comments for Image #$image_id");
 	}
 
 	private function delete_comment($comment_id) {
 		global $database;
 		$database->Execute("DELETE FROM comments WHERE id=?", array($comment_id));
+		log_info("comment", "Deleting Comment #$comment_id");
 	}
 // }}}
 }
diff --git a/ext/handle_404/main.php b/ext/handle_404/main.php
index 879d20a3..b6fc0c39 100644
--- a/ext/handle_404/main.php
+++ b/ext/handle_404/main.php
@@ -8,6 +8,7 @@ class Handle404 implements Extension {
 			if($page->mode == "page" && (!isset($page->blocks) || $this->count_main($page->blocks) == 0)) {
 				$h_pagename = html_escape(implode('/', $event->args));
 				header("HTTP/1.0 404 Page Not Found");
+				log_info("handle_404", "Hit 404: $h_pagename");
 				$page->set_title("404");
 				$page->set_heading("404 - No Handler Found");
 				$page->add_block(new NavBlock());
diff --git a/ext/image/main.php b/ext/image/main.php
index 2277d321..2ae8eae3 100644
--- a/ext/image/main.php
+++ b/ext/image/main.php
@@ -193,6 +193,8 @@ class ImageIO implements Extension {
 						$image->hash, $image->ext, $image->width, $image->height, $image->source));
 		$image->id = $database->db->Insert_ID();
 
+		log_info("image", "Uploaded image {$image->id} ({$image->hash})");
+
 		send_event(new TagSetEvent($image, $image->get_tag_array()));
 
 		return null;
diff --git a/ext/user/main.php b/ext/user/main.php
index 224ce9fd..f6c99e25 100644
--- a/ext/user/main.php
+++ b/ext/user/main.php
@@ -67,6 +67,7 @@ class UserPage implements Extension {
 			}
 			else if($event->get_arg(0) == "logout") {
 				setcookie("shm_session", "", time()+60*60*24*$config->get_int('login_memory'), "/");
+				log_info("user", "Logged out");
 				$page->set_mode("redirect");
 				$page->set_redirect(make_link());
 			}
@@ -201,6 +202,7 @@ class UserPage implements Extension {
 		if(!is_null($duser)) {
 			$user = $duser;
 			$this->set_login_cookie($name, $pass);
+			log_info("user", "Logged in");
 			$page->set_mode("redirect");
 			$page->set_redirect(make_link("user"));
 		}
@@ -242,6 +244,8 @@ class UserPage implements Extension {
 		$database->Execute(
 				"INSERT INTO users (name, pass, joindate, email, admin) VALUES (?, ?, now(), ?, ?)",
 				array($event->username, $hash, $email, $admin));
+		$uid = $database->db->Insert_ID();
+		log_info("user", "Created User #$uid ({$event->username})");
 	}
 
 	private function set_login_cookie($name, $pass) {