diff --git a/tests/bannerbin.py b/tests/bannerbin.py
new file mode 100644
index 0000000..7e447b5
--- /dev/null
+++ b/tests/bannerbin.py
@@ -0,0 +1,95 @@
+import Wii, os, sys, shutil
+
+def packbanner()
+	bannerbin = U8()
+	bannerbin['arc'] = None #dir
+	bannerbin['arc/blyt'] = None
+	bannerbin['arc/anim'] = None
+	bannerbin['arc/timg'] = None
+	# then do
+	origdir = os.getcwd()
+	for files in os.walk(origdir + 'arc/timg/')
+		bannerbin['arc/timg/' + file] = open(file, "rb").read()
+	for files in os.walk(origdir + 'arc/anim/')
+		bannerbin['arc/anim/' + file] = open(file, "rb").read()
+	for files in os.walk(origdir + 'arc/blyt/')
+		bannerbin['arc/blyt/' + file] = open(file, "rb").read()
+	fn = open("banner.bin", "w+b")
+	fn.write(u8object.dumpFile())
+	fn.close()
+
+
+
+def doPack():
+	exchange = [sys.argv[2], sys.argv[3], sys.argv[4]]
+	global banneru8, iconu8
+	
+	print "Unpacking WAD..."
+	wad = wii.WAD.loadFile("squid.wad")
+	
+	title = wii.IMET(wad[0]).getTitle()
+	print "Unpacking 00000000.app..."
+	wad[0] = wii.IMET(wad[0]).remove()
+	
+	meta = wii.U8.load(wad[0])
+
+	prog = 20
+	for i, item in enumerate(exchange):
+		if(item == ""): #skip what doesn't get changed
+			continue
+		if(i == 0):
+			bin = "banner"
+			print "Replacing banner.bin..."
+		elif(i == 1):
+			bin = "icon"
+			print "Replacing icon.bin..."
+		else:
+			bin = "sound"
+			print "Replacing sound.bin..."
+		
+		if(item[len(item) - 3:] == "app" or item[len(item) - 3:] == "bnr" or item[len(item - 3):] == "wad"):
+			if(item[len(item) - 3:] == "wad"):
+				wad2 = wii.WAD.loadFile(item)
+				wad2[0] = wii.IMET(wad2[0]).remove()
+				meta2 = wii.U8.load(wad2[0])
+			else:
+				meta2 = wii.IMET.loadFile(item).remove()
+			bin2 = meta2['meta/%s.bin' % bin]
+		elif(item[len(item) - 3:] == "bin"):
+			bin2 = wii.U8.loadFile(item)
+		else:
+			continue #only bin, wad, bnr and app are supported
+		meta['arc/%s.bin' % bin] = bin2.dump()
+	
+	print "Unpacking banner.bin..."
+	meta['meta/banner.bin'] = wii.IMD5(meta['meta/banner.bin']).remove()
+	meta['meta/banner.bin'] = wii.LZ77(meta['meta/banner.bin']).remove()
+	banneru8 = wii.U8.load(meta['meta/banner.bin'])
+
+	print "Unpacking icon.bin..."
+	meta['meta/icon.bin'] = wii.IMD5(meta['meta/icon.bin']).remove()
+	meta['meta/icon.bin'] = wii.LZ77(meta['meta/icon.bin']).remove()
+	iconu8 = wii.U8.load(meta['meta/icon.bin'])
+	
+	print "Packing banner.bin..."
+	meta['meta/banner.bin'] = banneru8.dump()
+	meta['meta/banner.bin'] = wii.IMD5(meta['meta/banner.bin']).add()
+	
+	print "Packing icon.bin..."
+	meta['meta/icon.bin'] = iconu8.dump()
+	meta['meta/icon.bin'] = wii.IMD5(meta['meta/icon.bin']).add()
+	
+	print "Packing 00000000.app..."
+
+	#meta['meta/sound.bin'] = open('wadunpack/00000000_app_out/meta/sound.bin', 'rb').read()
+	langs = []
+	wad[0] = meta.dump()
+	wad[0] = wii.IMET(wad[0]).add(len(meta['meta/icon.bin']), len(meta['meta/banner.bin']), len(meta['meta/sound.bin']), title, langs)
+	
+
+	
+	print "Packing WAD..."
+	wad.dumpFile("squid.wad")
+
+packbanner()
+doPack()