6) Get's gunned down or blown up by a lucky American or Englishman. (with all that will be flying around this seems most likly)

5) A bullet in the head courtesy of his body guard, a relative or trusted general. (I wonder if he would ever let himself be vulnerable to this)

3) A war crimes trial in Holland followed by a lengthy prison term in a European jail.

11) Disappears without a trace... (An alway popular fate of mad dictators also #6 could result in this)

4) Suicide (doesn't seem like the type but could be)

7) Get's hung in Iraq.
8) Get's hung in Kuwait.
9) Get's hung in Turkey.
10) Get's hung somewhere else.

2) Less than luxurious retirement in Northern Africa.

1) Luxurious retirement on the Crimean coast

And then there is always, retires with "Yours Truly" under an assumed name in California.