chroma key color for textures and sprites.

is there a way to change the default chroma key color ?
To apply this chroma key to all my textures when i add. ( i have a lot of textures. If i put all manually i will never end . . . lol )

This is a good question I hope someone will answer it for you soon, Also with media textures does the chroma key feature even work I have yet to get this feature to work!eb7345e43c00a2a149cc2f3309f189b590607f33.png

ya need to know anyone please reply