This is how I would distribute 100 units. Based on the bets above.

30 units - CZECH-SWEDEN ($2.25)
20 units - ITALY-SPAIN ($2.15)
2 units - DRAW-DRAW-ITALY ($15)
5 units - DRAW-CROATIA ($5.25)
1 unit - GREECE 1-0 ($7.50)
2 units - DRAW-DRAW ($9.50) (Serbia-Bosnia, Austria-Poland)
10 units - DRAW-ENGLAND ($4.20)
5 units - France-Ireland - DRAW ($4.00)
10 units - SLOVAKIA ($1.85)
5 units - BRAZIL-ECUADOR ($2.60)
10 units - CROATIA ($1.70)