Here is my current mod list might give you some ideas. I really recommend Large optics for TDW Ui and scope patch. Fabulous
Accurate German Flags
SteelViking's Interior Mod V1.2
SteelViking's Interior Mod V1.2.2 Patch
DynEnv v2.9 - 1. Main Mod
DynEnv v2.9 - 5.c Ambient Settings - Darker Nights-No Murky Waters
DynEnv v2.9 - 8.b Wave Mechanics - Gale
DynEnv v2.9 - 12. Sounds
sobers best ever fog V25 SH5
Water reflections intensity varied by available sunlight by TheDarkWraith
SH5_7A_Conning_Fix
Equipment_Upgrades_Fix_v1_4_byTheBeast
Equipment_Upgrades_Fix_v1_4_Patch_1
#Equipment_Upgrades_Fix_v1_4_Patch_1_HotFix
Equipment_Upgrades_Fix_v1_4_Patch_1 (available by date) V9 by sober
FX_Update_0_0_22_ByTheDarkWraith
FX_Update_0_0_22_Torpedoes (modified for torpedoes failure patches)
MightyFine Crew Mod 1.2.1 Alt faces
MCCD_1.04_MFCM_1.2.1_compatible
German U-Boat Crew Language Pack
NewUIs_TDC_7_4_2_ByTheDarkWraith
IRAI_0_0_39_ByTheDarkWraith
IRAI_0_0_39_ ByTheDarkWraith_Patch_1
Large Optics for TDW UI
Large Optics for TDW UI 16 by 9
R.E.M_by_Xrundel_TheBeast_1.2
R.E.M_by_Xrundel_TheBeast_1.2 - no hyd on surface - NewUIs-IRAI compatible
Cerberus62 Corrected Depth Charge Projector 1.0
Church's Compass Dials Mod v2.2 - Option Two
OPEN HORIZONS II v2.3.1
sobers green crew training V4 SH5
Depth Charge Fix Reduced Explosion Range
smaller flags for Warships 1_0b
Chart Colour Scheme 3
EQuaTool 01.01 by AvM - Large Style
Less Annoying Stopwatch Ticking - LAST - v. 01.00 by AvM
Shadow Improvement Mod
one ship, one torpedo v1.00
Warfox Upgrades 0 Renown v1
Change days in bunker
DBM Background Video
DBSM_Music_1_0_4
gap - HD 1 deg Scope Bearing v 1.0
Nauticalwolf's_Damage_and_Torpedo_UI(g)_Mod_v1.1
NewUIs_TDC_7_4_2_Real_Navigation
Trevally Tutorial - All v0.2(for OHIIv1.3)
Trevally Automated Scripts v0.6
Trevally Harbour & Kiel Canal Pilot v3.1
Trevally TDC Help v2
Real_Battery_Lifetime_Fix_Mod_V_1.0_TDW_UI_7_4_2
Grossdeutscher Rundfunk
GramophoneShuffler
MadMaxs_SH5_Subdiesel (mono) v2
sobers hud sounds V1 SH5
sobers no footstep sound mod SH5 V2
Speech Recognition_MiTons_NewUI_Editon_v0.4.1_english