Fix grade tiers in default theme, fix mine graphic in Lambda noteskin.

Themes/default/metrics.ini

@@ -1089,6 +1089,46 @@ MeterWidth=512-8
 MeterHeight=80
 
 # 07 #
+[PlayerStageStats]
+# Copied from Simply Love, which was in turn copied from freem's ITG3 port
+NumGradeTiersUsed=17
+GradeTier01IsAllW2s=false
+GradeTier02IsAllW2s=false
+# ★★★★
+GradePercentTier01=1.00
+# ★★★
+GradePercentTier02=0.99
+# ★★
+GradePercentTier03=0.98
+# ★
+GradePercentTier04=0.96
+# S+
+GradePercentTier05=0.94
+# S
+GradePercentTier06=0.92
+# S-
+GradePercentTier07=0.89
+# A+
+GradePercentTier08=0.86
+# A
+GradePercentTier09=0.83
+# A-
+GradePercentTier10=0.80
+# B+
+GradePercentTier11=0.76
+# B
+GradePercentTier12=0.72
+# B-
+GradePercentTier13=0.68
+# C+
+GradePercentTier14=0.64
+# C
+GradePercentTier15=0.60
+# C-
+GradePercentTier16=0.55
+# D
+GradePercentTier17=-999
+
 [ScreenEvaluationNormal]
 ShowTimingDifficulty=true
 TimingDifficultyX=SCREEN_CENTER_X-120;