SMA X BACK TAXI ON RWY FOR TKOF WAS SLOW AND HAD TO EXIT RWY BEFORE FOUGA JET LANDED.

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TAXIED OUT WITH A STUDENT AND WAS CLRED TO THE RUNUP AREA ON TXWY 'B'. WHILE WE WERE THERE AN ACFT TURNED OFF ON 'B;' AND WE MOVED TO THE INTXN OF 'B' AND 'D' SO HE COULD PASS. WE THEN TAXIED TO THE HOLD SHORT LINE ON 'B;' CALLED LCL CTL AND ADVISED 'READY FOR TKOF; BACK-TAXI FOR FULL LENGTH DEP.' WE WERE CLRED FOR TKOF AND INSTRUCTED TO EXPEDITE; 'TFC ON A 2 MI L BASE.' I REFUSED THE TKOF CLRNC AND ADVISED THAT I WOULD WAIT FOR THE TFC. THE CTLR CAME BACK IN AN IRRITATED AND EXCITED VOICE SAYING; 'PLEASE TAKE OFF NOW. YOU CAN'T STAY THERE. THE TFC IS GOING TO TURN OFF THERE. I CHKED THE BASE LEG AREA; AND SEEING NO TFC; TAXIED OUT ON THE RWY AND BEGAN BACK- TAXIING TO THE APCH END FOR FULL LENGTH DEP. ABOUT HALF WAY TO THE END OF THE RWY I OBSERVED A FOUGA JET ON A CLOSE IN TURN FROM BASE TO FINAL AT VERY LOW ALT AND CLOSE IN. THE CTLR BEGAN YELLING AT ME TO EXIT THE RWY TO THE R. I TURNED OFF ON THE RUNUP AREA LESS THAN 5 SECONDS BEFORE THE JET LANDED. NEITHER THE CTLR OR THE PLT OF THE JET MADE ANY EFFORT TO EFFECT A GAR. HAD I BEEN UNABLE TO EXIT THE RWY SWIFTLY (WITH THE USE OF FULL PWR); A COLLISION WAS INEVITABLE. THE JET WAS UNABLE TO TURN OFF ON 'B.' I BELIEVE THE CAUSE OF THIS INCIDENT IS DUE TO AN ATTITUDE PROB AND OR LACK OF TRAINING. THIS IS NOT THE FIRST INCIDENT: IT IS ONE OF MANY WHERE LACK OF COM HAS CAUSED CONFUSION. CONTRIBUTING TO THE PROB IS THE FACT THAT THE BLIMP OBSCURES THE RUNUP AREA AND THE APCH END OF RWY 09; AND LACK OF SAFETY CONCERNS ON THE PART OF ARPT MGMNT.