I couldn't find any information on a specific "2526 Background Wallpaper Vector" image. It's possible that it's a custom or proprietary image, or it may not be widely available.

However, I can suggest some alternatives to achieve a similar effect:

1. Use a vector graphics editor like Adobe Illustrator or Inkscape to create your own custom wallpaper.
2. Search for free vector wallpapers on websites like Vecteezy or Vectorstock.
3. Use a PNG image editing tool like GIMP or Photoshop to edit and customize an existing wallpaper.

If you have any more information about the 2526 Background Wallpaper, such as its source or intended use, I may be able to provide more specific guidance.