The first I think was an easy fold once the flush hit, no paying off implied odds. The second I think I messed up, should have check-called or check-folded the turn (depending on bet size)

Full Tilt No-Limit Hold'em, $0.25 BB (9 handed) Full-Tilt Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

UTG+1 ($8.65)
Hero ($25.95)
MP2 ($8.65)
MP3 ($22.55)
CO ($4.65)
Button ($17.10)
SB ($9.40)
BB ($53.90)
UTG ($27.65)

Preflop: Hero is MP1 with 8, 8. UTG posts a blind of $0.25.
UTG+1 calls $0.25, Hero raises to $1, 6 folds, UTG+1 calls $0.75.

Flop: ($2.35) 3, J, 8 (3 players)
UTG+1 checks, Hero bets $2.35, UTG+1 calls $2.35.

Turn: ($7.05) K (3 players)
UTG+1 bets $5.3 (All-In), Hero folds.

Full Tilt No-Limit Hold'em, $0.25 BB (9 handed) Full-Tilt Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver Cards)

UTG ($26.55)
UTG+1 ($4.75)
MP1 ($10.60)
MP2 ($56.25)
MP3 ($24.10)
CO ($23.65)
Button ($18.90)
SB ($35.05)
Hero ($26.80)

Preflop: Hero is BB with , .
UTG calls $0.25, 6 folds, SB completes, Hero raises to $1.25, UTG calls $0.75, SB calls $0.75.

Flop: ($3.25) , , (3 players)
SB checks, Hero bets $2, UTG calls $2, SB folds.

Turn: ($7.25) (2 players)
Hero bets $3.25, UTG raises to $16.75, Hero folds.

Final Pot: $13.75