Arduino SVG image display, or how to use transparent image background on arduino

does anyione know where a code example is or how i could display svg graphics or images with transparent background images other than storing them in progmem and blitting them. I have alot of images. currently a few thousand...

ok what about a script in any language that take an image file like xbm and says "iff its not 0x00 it is 0xff"?