I've added more variety to include some rockets, and sorted them by Combat Load Weight, staying within the 2,500lb max limit. At your suggestion I've included appropriate Mission Types for everything.
<Loadouts>
<Loadout Name="CL 0 - Clean" MissionType="Escort,CAP,Intercept,Sweep,Nothing,Bomber_Intercept,Recon">
<Hardpoint ID="0" PylonType="dl_p47d_belly_pylon" PayloadType=""/>
</Loadout>
<Loadout Name="CL 500 - (1)75gal Drop Tank" MissionType="Escort,CAP,Intercept,Sweep,Nothing,Bomber_Intercept,Recon">
<Hardpoint ID="0" PylonType="dl_p47d_belly_pylon" PayloadType="AvHistory_us_droptank__75gal" Quantity="1"/>
</Loadout>
<Loadout Name="CL 500 - (2)250lb Bombs" MissionType="CAS,Strike,Anti_Ship,Search_Destroy">
<Hardpoint ID="0" PylonType="dl_p47d_belly_pylon" PayloadType=""/>
<Hardpoint ID="3" PylonType="p47_250lb_pylon_1" PayloadType="AvHistory_us_Bomb__250lb" Quantity="1"/>
<Hardpoint ID="4" PylonType="p47_250lb_pylon_2" PayloadType="AvHistory_us_Bomb__250lb" Quantity="1"/>
</Loadout>
<Loadout Name="CL 700 - (1)108gal Drop Tank" MissionType="Escort,CAP,Intercept,Sweep,Nothing,Bomber_Intercept,Recon">
<Hardpoint ID="0" PylonType="dl_p47d_belly_pylon" PayloadType="AvHistory_us_droptank_108gal" Quantity="1"/>
</Loadout>
<Loadout Name="CL 800 - (6)HVAR" MissionType="CAS,Strike,Anti_Ship,Search_Destroy">
<Hardpoint ID="0" PylonType="dl_p47d_belly_pylon" PayloadType=""/>
<Hardpoint ID="1" PylonType="m82_pylon_r" PayloadType="a_hvar" Quantity="7"/>
<Hardpoint ID="2" PylonType="m82_pylon_l" PayloadType="a_hvar" Quantity="7"/>
</Loadout>
<Loadout Name="CL 1000 - (1)150gal Drop Tank" MissionType="Escort,CAP,Intercept,Sweep,Nothing,Bomber_Intercept,Recon">
<Hardpoint ID="0" PylonType="dl_p47d_belly_pylon" PayloadType="p47_150Gal_dt" Quantity="1"/>
</Loadout>
<Loadout Name="CL 1000 - (2)75gal Drop Tanks" MissionType="Escort,CAP,Intercept,Sweep,Nothing,Bomber_Intercept,Recon">
<Hardpoint ID="0" PylonType="dl_p47d_belly_pylon" PayloadType=""/>
<Hardpoint ID="3" PylonType="p47_250lb_pylon_1" PayloadType="SW_75gal_droptank" Quantity="1"/>
<Hardpoint ID="4" PylonType="p47_250lb_pylon_2" PayloadType="SW_75gal_droptank" Quantity="1"/>
</Loadout>
<Loadout Name="CL 1000 - (2)500lb Bombs" MissionType="CAS,Strike,Anti_Ship,Search_Destroy">
<Hardpoint ID="0" PylonType="dl_p47d_belly_pylon" PayloadType=""/>
<Hardpoint ID="3" PylonType="p47_250lb_pylon_1" PayloadType="AvHistory_us_Bomb__500lb" Quantity="1"/>
<Hardpoint ID="4" PylonType="p47_250lb_pylon_2" PayloadType="AvHistory_us_Bomb__500lb" Quantity="1"/>
</Loadout>
<Loadout Name="CL 1100 - (8)60lb HE Rockets" MissionType="CAS,Strike,Anti_Ship,Search_Destroy">
<Hardpoint ID="0" PylonType="dl_p47d_belly_pylon" PayloadType=""/>
<Hardpoint ID="3" PylonType="pylon_WVA_Beau_rock_r" PayloadType="AvHistory_gb_rocket_60lb_HE" Quantity="15"/>
<Hardpoint ID="4" PylonType="pylon_WVA_Beau_rock_l" PayloadType="AvHistory_gb_rocket_60lb_HE" Quantity="15"/>
</Loadout>
<Loadout Name="CL 1100 - (6)Bazooka + (1)500lb Bomb" MissionType="CAS,Strike,Anti_Ship,Search_Destroy">
<Hardpoint ID="0" PylonType="dl_p47d_belly_pylon" PayloadType="AvHistory_us_Bomb__500lb" Quantity="1"/>
<Hardpoint ID="5" PylonType="dl_p47d_bazooka_pylon_stbd" PayloadElement="AvHistory_us_rocket_m8_triple_tube" PayloadType="AvHistory_us_rocket_m8a1" Quantity="1" Fill="1"/>
<Hardpoint ID="6" PylonType="dl_p47d_bazooka_pylon_port" PayloadElement="AvHistory_us_rocket_m8_triple_tube" PayloadType="AvHistory_us_rocket_m8a1" Quantity="1" Fill="1"/>
</Loadout>
<Loadout Name="CL 1200 - (2)250lb Bombs + (1)108gal Drop Tank" MissionType="CAS,Strike,Anti_Ship,Search_Destroy">
<Hardpoint ID="0" PylonType="dl_p47d_belly_pylon" PayloadType="AvHistory_us_droptank_108gal" Quantity="1"/>
<Hardpoint ID="3" PylonType="p47_250lb_pylon_1" PayloadType="AvHistory_us_Bomb__250lb" Quantity="1"/>
<Hardpoint ID="4" PylonType="p47_250lb_pylon_2" PayloadType="AvHistory_us_Bomb__250lb" Quantity="1"/>
</Loadout>
<Loadout Name="CL 1300 - (6)HVAR + (1)75gal Drop Tank" MissionType="CAS,Strike,Anti_Ship,Search_Destroy">
<Hardpoint ID="0" PylonType="dl_p47d_belly_pylon" PayloadType="AvHistory_us_droptank__75gal" Quantity="1"/>
<Hardpoint ID="1" PylonType="m82_pylon_r" PayloadType="a_hvar" Quantity="7"/>
<Hardpoint ID="2" PylonType="m82_pylon_l" PayloadType="a_hvar" Quantity="7"/>
</Loadout>
<Loadout Name="CL 1400 - (2)108gal Drop Tanks" MissionType="Escort,CAP,Intercept,Sweep,Nothing,Bomber_Intercept,Recon">
<Hardpoint ID="0" PylonType="dl_p47d_belly_pylon" PayloadType=""/>
<Hardpoint ID="3" PylonType="p47d_108gal_pylon" PayloadType="AvHistory_us_droptank_108gal" Quantity="1"/>
<Hardpoint ID="4" PylonType="p47d_108gal_pylon" PayloadType="AvHistory_us_droptank_108gal" Quantity="1"/>
</Loadout>
<Loadout Name="CL 1500 - (3)500lb Bombs" MissionType="CAS,Strike,Anti_Ship,Search_Destroy">
<Hardpoint ID="0" PylonType="dl_p47d_belly_pylon" PayloadType="AvHistory_us_Bomb__500lb" Quantity="1"/>
<Hardpoint ID="3" PylonType="p47_250lb_pylon_1" PayloadType="AvHistory_us_Bomb__500lb" Quantity="1"/>
<Hardpoint ID="4" PylonType="p47_250lb_pylon_2" PayloadType="AvHistory_us_Bomb__500lb" Quantity="1"/>
</Loadout>
<Loadout Name="CL 1600 - (8)60lb HE Rockets + (1) 75gal Drop Tank" MissionType="CAS,Strike,Anti_Ship,Search_Destroy">
<Hardpoint ID="0" PylonType="dl_p47d_belly_pylon" PayloadType="AvHistory_us_droptank__75gal" Quantity="1"/>
<Hardpoint ID="3" PylonType="pylon_WVA_Beau_rock_r" PayloadType="AvHistory_gb_rocket_60lb_HE" Quantity="15"/>
<Hardpoint ID="4" PylonType="pylon_WVA_Beau_rock_l" PayloadType="AvHistory_gb_rocket_60lb_HE" Quantity="15"/>
</Loadout>
<Loadout Name="CL 1600 - (6)Bazooka + (1)500lb Bomb + (2)250lb Bombs" MissionType="CAS,Strike,Anti_Ship,Search_Destroy">
<Hardpoint ID="0" PylonType="dl_p47d_belly_pylon" PayloadType="AvHistory_us_Bomb__500lb" Quantity="1"/>
<Hardpoint ID="5" PylonType="dl_p47d_bazooka_pylon_stbd" PayloadElement="AvHistory_us_rocket_m8_triple_tube" PayloadType="AvHistory_us_rocket_m8a1" Quantity="1" Fill="1"/>
<Hardpoint ID="6" PylonType="dl_p47d_bazooka_pylon_port" PayloadElement="AvHistory_us_rocket_m8_triple_tube" PayloadType="AvHistory_us_rocket_m8a1" Quantity="1" Fill="1"/>
<Hardpoint ID="3" PylonType="p47_250lb_pylon_1" PayloadType="AvHistory_us_Bomb__250lb" Quantity="1"/>
<Hardpoint ID="4" PylonType="p47_250lb_pylon_2" PayloadType="AvHistory_us_Bomb__250lb" Quantity="1"/>
</Loadout>
<Loadout Name="CL 1700 - (2)500lb Bombs + (1)108gal Drop Tank" MissionType="CAS,Strike,Anti_Ship,Search_Destroy">
<Hardpoint ID="0" PylonType="dl_p47d_belly_pylon" PayloadType="AvHistory_us_droptank_108gal" Quantity="1"/>
<Hardpoint ID="3" PylonType="p47_250lb_pylon_1" PayloadType="AvHistory_us_Bomb__500lb" Quantity="1"/>
<Hardpoint ID="4" PylonType="p47_250lb_pylon_2" PayloadType="AvHistory_us_Bomb__500lb" Quantity="1"/>
</Loadout>
<Loadout Name="CL 1800 - (6)Bazooka + (1)108gal Drop Tank + (2)250lb Bombs" MissionType="CAS,Strike,Anti_Ship,Search_Destroy">
<Hardpoint ID="0" PylonType="dl_p47d_belly_pylon" PayloadType="AvHistory_us_droptank_108gal" Quantity="1"/>
<Hardpoint ID="5" PylonType="dl_p47d_bazooka_pylon_stbd" PayloadElement="AvHistory_us_rocket_m8_triple_tube" PayloadType="AvHistory_us_rocket_m8a1" Quantity="1" Fill="1"/>
<Hardpoint ID="6" PylonType="dl_p47d_bazooka_pylon_port" PayloadElement="AvHistory_us_rocket_m8_triple_tube" PayloadType="AvHistory_us_rocket_m8a1" Quantity="1" Fill="1"/>
<Hardpoint ID="3" PylonType="p47_250lb_pylon_1" PayloadType="AvHistory_us_Bomb__250lb" Quantity="1"/>
<Hardpoint ID="4" PylonType="p47_250lb_pylon_2" PayloadType="AvHistory_us_Bomb__250lb" Quantity="1"/>
</Loadout>
<Loadout Name="CL 2000 - (1)150gal Drop tank + (2)75gal Drop Tanks" MissionType="Escort,CAP,Intercept,Sweep,Nothing,Bomber_Intercept,Recon">
<Hardpoint ID="0" PylonType="dl_p47d_belly_pylon" PayloadType="p47_150Gal_dt" Quantity="1"/>
<Hardpoint ID="3" PylonType="p47_250lb_pylon_1" PayloadType="SW_75gal_droptank" Quantity="1"/>
<Hardpoint ID="4" PylonType="p47_250lb_pylon_2" PayloadType="SW_75gal_droptank" Quantity="1"/>
</Loadout>
<Loadout Name="CL 2000 - (2)1000lb Bombs" MissionType="CAS,Strike,Anti_Ship,Search_Destroy">
<Hardpoint ID="3" PylonType="p47_250lb_pylon_1" PayloadType="AvHistory_us_Bomb_1000lb" Quantity="1"/>
<Hardpoint ID="4" PylonType="p47_250lb_pylon_2" PayloadType="AvHistory_us_Bomb_1000lb" Quantity="1"/>
</Loadout>
<Loadout Name="CL 2100 - (3)108gal Drop Tanks" MissionType="Escort,CAP,Intercept,Sweep,Nothing,Bomber_Intercept,Recon">
<Hardpoint ID="0" PylonType="dl_p47d_belly_pylon" PayloadType="AvHistory_us_droptank_108gal" Quantity="1"/>
<Hardpoint ID="3" PylonType="p47d_108gal_pylon" PayloadType="AvHistory_us_droptank_108gal" Quantity="1"/>
<Hardpoint ID="4" PylonType="p47d_108gal_pylon" PayloadType="AvHistory_us_droptank_108gal" Quantity="1"/>
</Loadout>
<Loadout Name="CL 2500 - (2)1000lb Bombs + (1)75gal Drop Tank" MissionType="CAS,Strike,Anti_Ship,Search_Destroy">
<Hardpoint ID="0" PylonType="dl_p47d_belly_pylon" PayloadType="AvHistory_us_droptank__75gal" Quantity="1"/>
<Hardpoint ID="3" PylonType="p47_250lb_pylon_1" PayloadType="AvHistory_us_Bomb_1000lb" Quantity="1"/>
<Hardpoint ID="4" PylonType="p47_250lb_pylon_2" PayloadType="AvHistory_us_Bomb_1000lb" Quantity="1"/>
</Loadout>
</Loadouts>
p.s. Unfortunately the website insists on adding a space in the middle of the word bomber that's not supposed to be there, so be careful with cut and paste.