The BURG bootloader allows you to have a very nice visual boot loader for dual booting operating systems. This collection of themes showcases several themes which you can use to create your ultimate bootloader menu.
BURG is relatively new bootloader which is based on GRUB. It stands for Brand-new Universal loadeR from GRUB. It is also GRUB spelt backwards. BURG allows you to replace the boring text based menu of GRUB with a nice graphical menu with logos and background images. BURG is also themeable, you can download BURG themes to customise its appearance.
How to Install BURG themes
To install themes for BURG, simply browse to the downloaded archive file and double click. Extract the archive to /boot/burg/themes. If there is an icon folder inside the archive, then extract the icon files to the folder /boot/burg/themes/icons.
You then need to update burg by running this command:
sudo update-burg
You can now use the burg-emu command to select the new theme.
Lightness BURG Theme by SWOriginal
Lightness is designed to feel calm, clean & modern
Lightness BURG Theme by SWOriginal
Darkness BURG Theme
A dark minimal theme based on Lightness. Has got two variants Darkness (white colors) and Darkness Blue (blue colors)
Darkness BURG theme
Ubuntu Radiance
With ubuntu's new branding, GRUB needs a face-lifting too, and here it is. 
To use this, you'll need burg, an updated version of grub 2.
Ubuntu Radiance BURG Theme
Fortune BURG Theme by OrphanShadow
This theme is striking in design with its woody textured background and use of the superb Faenza icon set.
Fortune - BURG Theme
Sora BURG Theme
This theme is truely beautiful and looks amazing in HD resolutions.
BURG Theme "Sora" Boot Menu
Metro
A Windows 8/Metro inspired Burg theme.
Metro BURG Theme
Kubuntu-EOS BURG theme
This theme is based on the radiance theme included with BURG. Icons are from the superb "Faenza" icon theme.
Kubuntu-EOS BURG theme
rEFInd Next BURG Theme
A theme made for the next generation of operating systems, featuring modern icons for OSX, Windows, Linux and more.
rEFInd Next BURG Theme
Origami BURG Theme
A damn minimal and clean theme made initially for Kedos. You can use an alternative icon for windows changing the class of the Windows entry of burg.cfg from "windows" to "windows-alt"
Origami BURG Theme
Amiga inspired BURG boot theme
Amiga inspired BURG boot theme modified from "Fortune".
AmigaBurg Amiga inspired BURG boot theme
