diff --git a/ext/oekaki/theme.php b/ext/oekaki/theme.php
index cfcda3b0..50f73034 100644
--- a/ext/oekaki/theme.php
+++ b/ext/oekaki/theme.php
@@ -1,35 +1,83 @@
 <?php
-
+// FIXME: Move all the stuff that handles size input to main.php
+// FIXME: Move default canvas size to config file; changeable in board config
+// While we're here, add maximum and minimum image sizes in config
+// Maybe allow the resolution limiter extension to have a say in this 
+$defOekW = 400; // Common default for oekaki boards: 300x300
+$defOekH = 400;
 class OekakiTheme extends Themelet {
 	public function display_page() {
-		global $config, $page;
+		global $config, $page, $defOekW, $defOekH;
 
 		$base_href = get_base_href();
 		$http_base = make_http($base_href);
 
+		if (isset($_POST['oekW']) and isset($_POST['oekH'])){
+			$oekW = $_POST['oekW'];
+			$oekH = $_POST['oekH'];
+			if(!ctype_digit($oekW) or !ctype_digit($oekH)){
+				$oekW = $defOekW;
+				$oekH = $defOekH;
+			}
+		} else{
+			$oekW = $defOekW;
+			$oekH = $defOekH;
+		}
+		
 		$html = "
     <applet archive='$base_href/ext/oekaki/chibipaint.jar' code='chibipaint.ChibiPaint.class' width='800' height='600'>
-      <param name='canvasWidth' value='400' />
-      <param name='canvasHeight' value='300' />
+      <param name='canvasWidth' value='".$oekW."' />
+      <param name='canvasHeight' value='".$oekH."' />
       <param name='postUrl' value='".make_http(make_link("oekaki/upload"))."' />
       <param name='exitUrl' value='".make_http(make_link("oekaki/claim"))."' />
       <param name='exitUrlTarget' value='_self' />
-      JAVA NOT SUPPORTED! <!-- alternative content for users who don't have Java installed -->
+      JAVA NOT INSTALLED >:(<!-- alternative content for users who don't have Java installed -->
     </applet>
 		";
 
 #      <param name='loadImage' value='http://yourserver/oekaki/pictures/168.png' />
 #      <param name='loadChibiFile' value='http://yourserver/oekaki/pictures/168.chi' />
-		
+		// FIXME: prevent oekaki block from collapsing on click in cerctain themes. This causes canvas reset
 		$page->set_title("Oekaki");
-		$page->set_heading("Oekiaki");
+		$page->set_heading("Oekaki");
 		$page->add_block(new NavBlock());
 		$page->add_block(new Block("Oekaki", $html, "main", 20));
+		$page->add_block(new Block(null, 
+			"
+			Change canvas size.
+			<br>
+			<form form enctype='multipart/form-data' action='".make_link("oekaki/create")."' method='POST'>
+				<div style='display: inline; margin: 0; width: auto;'>
+					<input autocomplete='off' style='display: inline; margin: 0; width: auto;font-size: 90%' name='oekW' type='text' size='3' value='".$oekW."'/>
+					x
+					<input autocomplete='off' style='display: inline; margin: 0; width: auto;font-size: 90%' name='oekH' type='text' size='3' value='".$oekH."'/>
+					<input autocomplete='off' style='display: inline; margin: 0; width: auto;font-size: 90%' type='submit' value='Go!' />
+				</div>
+			</form>
+			<br>
+			<b>WARNING: Resets canvas!</b>
+			"
+			, "left", 21)); // upload is 20
 	}
 
 	public function display_block() {
-		global $page;
-		$page->add_block(new Block(null, "<a href='".make_link("oekaki/create")."'>Open Oekaki</a>", "left", 21)); // upload is 20
+		global $page, $defOekW, $defOekH;
+		//FIXME: input field alignment could be done more elegantly, without inline styling
+		//FIXME: autocomplete='off' seems to be an invalid HTML tag
+		$page->add_block(new Block(null, 
+			"
+			<b>Oekaki</b>
+			<br>
+			<form form enctype='multipart/form-data' action='".make_link("oekaki/create")."' method='POST'>
+				<div style='display: inline; margin: 0; width: auto;'>
+					<input autocomplete='off' style='display: inline; margin: 0; width: auto; font-size: 90%' name='oekW' type='text' size='3' value='".$defOekW."'/>
+					x
+					<input autocomplete='off' style='display: inline; margin: 0; width: auto; font-size: 90%' name='oekH' type='text' size='3' value='".$defOekH."'/>
+					<input autocomplete='off' style='display: inline; margin: 0; width: auto; font-size: 90%' type='submit' value='Go!' />
+				</div>
+			</form>
+			"
+			, "left", 21)); // upload is 20
 	}
 }
 ?>