I love this cherry blossom tree idea -- i think it's beautiful to find something still poignant and meaningful like that, esp in relation to ctb and what comes after on earth.
i used to entertain the idea of my funeral being a fun spectacle. though i think the circumstances would dampen the mood so the attendees might not be into it. so throwing a tasteless party would just kill me (well, you know what i mean). i hear cremation is terrible for the environment (what little there is left to save).
but i've always been a fan of giving mine to scientific research. in school, we worked on actual skeletons for our radiology courses or maybe i could be one of those corpses that are studied to observe the effects of exposure and rates of decay in certain environments.