diff --git a/banners/pix/5.png b/banners/pix/5.png
index 09ebdbd..687663a 100644
Binary files a/banners/pix/5.png and b/banners/pix/5.png differ
diff --git a/banners/pix/5_old.png b/banners/pix/5_old.png
new file mode 100644
index 0000000..09ebdbd
Binary files /dev/null and b/banners/pix/5_old.png differ
diff --git a/banners/pix/_old/0.png b/banners/pix/_old/0.png
new file mode 100644
index 0000000..445bdf6
Binary files /dev/null and b/banners/pix/_old/0.png differ
diff --git a/banners/pix/_old/1.png b/banners/pix/_old/1.png
new file mode 100644
index 0000000..c197fd7
Binary files /dev/null and b/banners/pix/_old/1.png differ
diff --git a/banners/pix/_old/2.png b/banners/pix/_old/2.png
new file mode 100644
index 0000000..d7c4646
Binary files /dev/null and b/banners/pix/_old/2.png differ
diff --git a/banners/pix/_old/3.png b/banners/pix/_old/3.png
new file mode 100644
index 0000000..dca3069
Binary files /dev/null and b/banners/pix/_old/3.png differ
diff --git a/banners/pix/_old/4.png b/banners/pix/_old/4.png
new file mode 100644
index 0000000..a8b1a68
Binary files /dev/null and b/banners/pix/_old/4.png differ
diff --git a/banners/pix/_old/5.png b/banners/pix/_old/5.png
new file mode 100644
index 0000000..3549087
Binary files /dev/null and b/banners/pix/_old/5.png differ
diff --git a/banners/pix/_old/error.png b/banners/pix/_old/error.png
new file mode 100644
index 0000000..0d78ed0
Binary files /dev/null and b/banners/pix/_old/error.png differ
diff --git a/banners/tile.png b/banners/tile.png
index 8cda335..f36ddb2 100644
Binary files a/banners/tile.png and b/banners/tile.png differ
diff --git a/sim/index.html b/sim/index.html
index b573d6b..56a4d4b 100644
--- a/sim/index.html
+++ b/sim/index.html
@@ -158,9 +158,9 @@
 						Reset
 					</div>
 				</div>
-				<div id="sb_stop">
+				<!--div id="sb_stop">
 					Stop
-				</div>
+				</div-->
 				<div id="sb_reset">
 					Reset Sliders
 				</div>
diff --git a/sim/js/Model.js b/sim/js/Model.js
index b68184c..51e0bd5 100644
--- a/sim/js/Model.js
+++ b/sim/js/Model.js
@@ -26,7 +26,7 @@ let interventionStrengths = [
 	['isolate', 0.4],
 	['quarantine', 0.5],
 	['masks', 0.35*0.5], // 3.4 fold reduction (70%) (what CI?), subtract points for... improper usage? https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3591312/ // cloth masks...
-	['summer', 0.333] // 15°C diff * 0.0225 (Wang et al)
+	['summer', 0.4] // 15°C diff * 0.0225 (Wang et al)
 ];
 
 let updateModel = (days, fake)=>{
@@ -219,7 +219,7 @@ sliderColors.forEach((icPair, i)=>{
 				cursor: ew-resize;
 				background: ${color};
 				color: ${color};
-				border:1px solid rgba(0,0,0,0.5);
+				border:1px solid rgba(128,128,128,0.5);
 				position:relative;
 				top:1px;
 				cursor:grab;
@@ -554,7 +554,8 @@ let draw = ()=>{
 		interventionColors.forEach((ic)=>{
 			if(ic[0]=="non_s") return; // EXCEPT Non-Susceptibles
 			ctx.fillStyle = ic[1];
-			ctx.globalAlpha = int[ic[0]] * 0.2;//ic[2];
+			ctx.globalAlpha = int[ic[0]] * ic[2];
+			// ctx.globalAlpha = int[ic[0]] * 0.2;
 			ctx.fillRect(0,y,w,h);
 			ctx.globalAlpha = 1;
 		});