Do you play this hand any differently? Best I can figure he must have the nut flush, there's not really anything else that makes sense after his river bet.

***** Hand History for Game 2364136819 *****
$25 NL Texas Hold'em - Thursday, July 14, 19:45:13 EDT 2005
Table Table 55265 (No DP) (Real Money)
Seat 2 is the button
Total number of players : 10
Seat 1: dr3w321 ( $24.13 )
Seat 3: resetdave ( $41.90 )
Seat 6: theology ( $20.20 )
Seat 10: str8_nuts ( $20.45 )
Seat 9: eieio42 ( $26.76 )
Seat 5: imahaney ( $14.15 )
Seat 8: HotCardStud ( $35.95 )
Seat 7: grenache1 ( $17.90 )
Seat 2: JupiterWorld ( $3.40 )
Seat 4: higho ( $25.95 )
resetdave posts small blind [$0.10].
higho posts big blind [$0.25].
** Dealing down cards **
Dealt to dr3w321 [ ]
imahaney folds.
>You have options at Table 36745 Table!.
theology folds.
grenache1 calls [$0.25].
HotCardStud calls [$0.25].
eieio42 calls [$0.25].
>You have options at Table 37198 Table!.
str8_nuts folds.
>You have options at Table 37198 Table!.
dr3w321 calls [$0.25].
JupiterWorld folds.
resetdave folds.
higho checks.
** Dealing Flop ** [ , , :As: ]
higho checks.
grenache1 checks.
>You have options at Table 37198 Table!.
HotCardStud checks.
eieio42 checks.
dr3w321 bets [$1].
higho folds.
grenache1 folds.
>You have options at Table 37198 Table!.
>You have options at Table 37198 Table!.
HotCardStud folds.
eieio42 calls [$1].
** Dealing Turn ** [ ]
eieio42 checks.
>You have options at Table 37198 Table!.
dr3w321 bets [$2].
eieio42 calls [$2].
** Dealing River ** [ :Jc: ]
eieio42 bets [$10].
dr3w321 folds.
eieio42 does not show cards.
eieio42 wins $17