         guard let imageName = stringForKeyPath(keyPath) else { return nil }
         if let filePath = currentThemePath?.URL?.URLByAppendingPathComponent(imageName).path {
             guard let image = UIImage(contentsOfFile: filePath) else {
-                print("WARNING: Not found image at file path: \(filePath)")
+                print("SwiftTheme WARNING: Not found image at file path: \(filePath)")
                 return nil
             }
             return image
         } else {
             guard let image = UIImage(named: imageName) else {
-                print("WARNING: Not found image name at main bundle: \(imageName)")
+                print("SwiftTheme WARNING: Not found image name at main bundle: \(imageName)")
                 return nil
             }
             return image

    
    class func numberForKeyPath(keyPath: String) -> NSNumber? {
        guard let number = currentTheme?.valueForKeyPath(keyPath) as? NSNumber else {
            print("WARNING: Not found number key path: \(keyPath)")
            return nil
        }
        return number

    class func elementForArray<T: AnyObject>(array: [T]) -> T? {
        let index = ThemeManager.currentThemeIndex
        guard  array.indices ~= index else {
            print("SwiftTheme WARNING: Not found element in array: \(array)[\(currentThemeIndex)]")
            return nil
        }
        return array[index]
