diff --git a/board/czechlight/clearfog/usb-genimage.cfg b/board/czechlight/clearfog/usb-genimage.cfg
new file mode 100644
index 0000000..5f0820a
--- /dev/null
+++ b/board/czechlight/clearfog/usb-genimage.cfg
@@ -0,0 +1,24 @@
+image usb-flash.vfat {
+	vfat {
+		file "boot.scr" { image = "usb-boot.scr" }
+		files = {
+			"zImage",
+			"czechlight-clearfog.dtb",
+			"rootfs.cpio.uboot",
+			"u-boot-spl.kwb",
+			"sdcard.img.squashfs"
+		}
+	}
+	size = 128M
+}
+
+image usb-flash.img {
+	hdimage {
+	}
+
+	partition boot {
+		partition-type = 0xc
+		bootable = true
+		image = "usb-flash.vfat"
+	}
+}