How to pick a different image as your wallpaper:
Navigate through the mods folder to the aircraft you want to change the image for, and rename the image you want to use as your module wallpaper to "base-menu-window" and give the other images some other name.
Bf 109 K-4 DB605 Sound mod with the typical direct injection motor sound and characteristic blower whistle.
Updated Sound files to meet the original DB605 sound even closer, also when sitting in the cockpit.
A mission for MiG21Bis,you need to shoot down 4 SU25 to protect your ground force,and help them to occupy Mineral'nyye Vody.It is a easy mission for mig21.
I will translate it into English if I find a good translator.