The first hand looks like he was semi-bluffing with an ace high flush draw and hit his ace on the turn. This is a tricky hand to play but I am a big advocate of betting scary boards if you feel you are good.
Pre-flop, I don't know what was with the min-raise but I would make it at least 3x BB.
On the flop the bet was large, which is ok considering the board. When you get raised you should probably just let it go unless you feel he is semi-bluffing in which case I call and lead the turn, which you did.
On the river I only bet half the pot on the river to entice the A high flush draw with a pair of aces to call. A smaller bet may also entice a 10 to call.
Second hand I would definitely raise preflop. On the flop I normally like to raise more to better tell where I am. On the turn you have to let this go unless you know how this player plays. If you know he would make this play often without the flush then it is ok.