Errors Pastebin for SlimC

[ERROR 2012-10-06 19:00:31] com.pokeemu.client.graphics.B:? - Error initializing OpenGLRenderer
java.io.IOException: while parsing Theme XML: file:/C:/Users/Corey/Downloads/PokeMMO-Client/./data/gui/login.xml
	at de.matthiasmann.twl.theme.ThemeManager.parseThemeFile(ThemeManager.java:276)
	at de.matthiasmann.twl.theme.ThemeManager.createThemeManager(ThemeManager.java:190)
	at de.matthiasmann.twl.theme.ThemeManager.createThemeManager(ThemeManager.java:155)
	at com.pokeemu.client.graphics.B.ôO0000(Unknown Source)
	at com.pokeemu.client.graphics.B.ØO0000(Unknown Source)
	at com.pokeemu.client.Client.<init>(Unknown Source)
	at com.pokeemu.client.Client.main(Unknown Source)
Caused by: org.xmlpull.v1.XmlPullParserException: Unable to load image file: res/bg.png (position: START_TAG seen ...</theme>\r\n\t\r\n\t<images file="res/bg.png">... @668:28) caused by: java.io.IOException: Unable to load PNG file: file:/C:/Users/Corey/Downloads/PokeMMO-Client/data/gui/res/bg.png
	at de.matthiasmann.twl.utils.XMLParser.error(XMLParser.java:345)
	at de.matthiasmann.twl.theme.ImageManager.parseImages(ImageManager.java:136)
	at de.matthiasmann.twl.theme.ThemeManager.parseThemeFile(ThemeManager.java:288)
	at de.matthiasmann.twl.theme.ThemeManager.parseThemeFile(ThemeManager.java:271)
	... 6 more
Caused by: java.io.IOException: Unable to load PNG file: file:/C:/Users/Corey/Downloads/PokeMMO-Client/data/gui/res/bg.png
	at de.matthiasmann.twl.renderer.lwjgl.LWJGLCacheContext.createTexture(LWJGLCacheContext.java:110)
	at de.matthiasmann.twl.renderer.lwjgl.LWJGLCacheContext.loadTexture(LWJGLCacheContext.java:67)
	at de.matthiasmann.twl.renderer.lwjgl.LWJGLRenderer.load(LWJGLRenderer.java:519)
	at de.matthiasmann.twl.renderer.lwjgl.LWJGLRenderer.load(LWJGLRenderer.java:508)
	at de.matthiasmann.twl.renderer.lwjgl.LWJGLRenderer.loadTexture(LWJGLRenderer.java:379)
	at de.matthiasmann.twl.theme.ImageManager.parseImages(ImageManager.java:131)
	... 8 more
Caused by: java.io.IOException: Texture size too large. Maximum supported texture by this system is 512
	at de.matthiasmann.twl.renderer.lwjgl.LWJGLCacheContext.createTexture(LWJGLCacheContext.java:86)
	... 13 more