diff --git a/src/apply/application.ts b/src/apply/application.ts
index 8aba1ca..ebae5a4 100644
--- a/src/apply/application.ts
+++ b/src/apply/application.ts
@@ -2,6 +2,7 @@ import { type Colordx, extend } from "@colordx/core"
 import lab from "@colordx/core/plugins/lab"
 import type { ImageAnalysisData } from "../analyze/analysis.ts"
 import { chalkDebug } from "../utils.ts"
+import * as path from "@std/path"
 
 extend([lab])
 
@@ -98,8 +99,79 @@ export function findMatchingImages(imagesData: ImageAnalysisData, targetColor: C
 	return matchingImages
 }
 
-export function setWindowsWallpaper() {
-	const user32 = Deno.dlopen("user32.dll", {
-		SystemParametersInfoA: { parameters: ["u16", "u16", "pointer", "u16"], result: "void" }
-	})
+
+export async function setWindowsWallpaper(tempImagePath: string, ...imagePaths: string[]) {
+	interface Rect {
+		left: number
+		top: number
+		right: number
+		bottom: number
+	}
+
+	interface Vector2 {
+		width: number
+		height: number
+	}
+
+	const pathToUser32 = path.fromFileUrl(
+		"file:///C:/Windows/System32/user32.dll",
+	); // jank
+
+	const user32 = Deno.dlopen(pathToUser32, {
+		SystemParametersInfoA: {
+			parameters: ["u16", "u16", "pointer", "u16"],
+			result: "bool",
+		},
+
+		EnumDisplayMonitors: {
+			parameters: ["pointer", "pointer", "pointer", "i32"],
+			result: "bool",
+		},
+	});
+
+	const monitors: Vector2[] = []
+
+	const monitorEnum = new Deno.UnsafeCallback({
+		parameters: ["pointer", "pointer", "pointer", "i32"],
+		result: "bool",
+	}, (_hMon, _hdc, lprcMonitor, _pData) => {
+		// grab the buffer of our data...
+		const buffer = Deno.UnsafePointerView.getArrayBuffer(lprcMonitor!, 16)
+		// ..convert it to an Int32 array...
+		const array = Array.from(new Int32Array(buffer))
+		// ..then populate:            left - right                          top - bottom
+		const rect = { width: Math.abs(array[2] - array[0]), height: Math.abs(array[1] - array[3]) }
+		monitors.push(rect)
+		
+		return true
+	});
+
+	user32.symbols.EnumDisplayMonitors(null, null, monitorEnum.pointer, 0);
+
+	// from this point on monitorsRect is populated
+
+	console.log(monitors)
+
+	for (let i = 0; i < monitors.length; i++) {
+		const monitor = monitors[i]
+		if (monitor.width >= monitor.height) {
+			await $`magick ${imagePaths[i]} -resize ${monitor.width}x -format "%m" ${path.join(tempImagePath, `monitorImage${i}.png`)}`
+		} else {
+			await $`magick ${imagePaths[i]} -resize x${monitor.height} -format "%m" ${path.join(tempImagePath, `monitorImage${i}.png`)}`
+		}
+	}
+
+	// TODO: this isn't the right order of images
+	console.log(await $`magick ${path.join(tempImagePath, `monitorImage*.png`)} +append ${path.join(tempImagePath, "out.png")}`)
+
+	const pointer = Deno.UnsafePointer.of(
+		Buffer.from(
+			"C:\\Users\\angelcube\\Pictures\\wallpaper\\vocaloid_morningglory_lobelia.jpg",
+			"ascii",
+		),
+	);
+
+	user32.symbols.SystemParametersInfoA(20, 0, pointer, 3);
+
+	user32.close();
 }
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