can try
mainly for bmx, noticed one thing you did in one of your ghosts at a downtube ending:
View attachment 47760
You didn't lean back early enough, so you died
One thing to suggest if you want to go faster, is to try and make sure you lean back at the right time, like this:
View attachment 47761
but one thing you might want to be careful of is leaning back to early, in which case you're probably die unless you can somehow save it, an example:
View attachment 47764
results in death:
View attachment 47765
another thing to recommend, if you want to make sure you don't die, and don't feel comfortable going super fast or don't care about it, you can always try going down the tube without pressing up (really only applicable up to a certain point, else you're gonna need to try and brake on downtubes if it's a really long one):
View attachment 47762
sometimes I tend to do this, if I don't want to die when I'm going down a tube, here's an example of something I'd use right after this screenshot:
View attachment 47763
then I'd just tube like normal
let me know if I should be more clear on anything else

also try asking some other better tube ghosters for better tips as well if you need more in-depth advice
(
Ultraviolet RadiumRC Cerulean Symantec (Symantec doesn't play anymore but might give advice, I can let you know his discord, also Cerulean doesn't play much either, but he might also give advice if he's around))
for mtb, you can really only try to go fast and get lucky with your bounces, because it's much more unreliable to attempt the same strat above because of the bigger bike
really downtubes are super annoying the further down they go, because they can be really annoying to do fast, but if you just want a deathless ghost and don't care about the time all that much, then going slower works as well

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