Making a drum loop/sample fit

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OK, I've been having tons of fun with LMMS - one of the programs I miss from my old Windoze days is Fruity Loops.

But there's one thing I can't work out - making a drum loop (sample) fit.

Is the only way of speeding up/slowing down a sample loop to do it in the piano editor, and move the note up and down? This way isn't very accurate so it's hard, for example, to get a 140BPM loop to stretch properly to a 160BPM tune you're composing.

From memory, in Fruity Loops you could just set a sample loop to the number of beats (eg 8 or 16) and it would stretch/shink to the right speed.

Is there a way to do this in LMMS?

Any help appreciated :)
alas, lmms does not have features for this.
You can however use fl-studio free version and resample a wavefile, this should then be used in lmms. But no native method exists in lmms. .. (yet? :)
BR.