diff --git a/src/common/kernel/eressea.c b/src/common/kernel/eressea.c
index f819242a3..edecf8c4a 100644
--- a/src/common/kernel/eressea.c
+++ b/src/common/kernel/eressea.c
@@ -622,8 +622,10 @@ ShipSpeedBonus(const unit * u)
     level = get_param_int(global.parameters, "movement.shipspeed.skillbonus", 0);
   }
   if (level>0) {
+    ship * sh = u->ship;
     int skl = effskill(u, SK_SAILING);
-    return skl/level;
+    int minsk = (sh->type->cptskill+1)/2;
+    return (skl-minsk)/level;
   }
   return 0;
 }
diff --git a/src/common/modules/autoseed.c b/src/common/modules/autoseed.c
index f4571ee85..e8dd52d18 100644
--- a/src/common/modules/autoseed.c
+++ b/src/common/modules/autoseed.c
@@ -941,7 +941,6 @@ starting_region(region * r, region * rn[])
   }
   terraform_region(r, newterrain(T_PLAIN));
   prepare_starting_region(r);
-  r->land->money = 50 * 1000; /* 2% = 1000 silver */
   u = addplayer(r, addfaction("enno@eressea.de", itoa36(rng_int()), races,
     default_locale, 0));
 }
@@ -954,10 +953,12 @@ build_island_e3(int x, int y, int numfactions, int minsize)
   region_list * rlist = NULL;
   region_list * island = NULL;
   plane * pl = findplane(x, y);
-  region * r = new_region(x, y, pl, 0);
+  region * r = findregion(x, y);
   int nsize = 1;
   int q, maxq = INT_MIN, minq = INT_MAX;
  
+  if (!r) r = new_region(x, y, pl, 0);
+  assert(!r->units);
   do {
     terraform_region(r, random_terrain_e3(NODIRECTION));
   } while (!r->land);
@@ -1009,5 +1010,21 @@ build_island_e3(int x, int y, int numfactions, int minsize)
       }
     }
   }
+
+  for (rlist=island;rlist;rlist=rlist->next) {
+    r = rlist->data;
+    if (r->units) {
+      region *rn[MAXDIRECTIONS];
+      get_neighbours(r, rn);
+      q = region_quality(r, rn);
+      if (q-minq > (maxq-minq)*2/3) {
+        terraform_region(r, newterrain(T_HIGHLAND));
+        prepare_starting_region(r);
+      }
+      r->land->money = 50000; /* 2% = 1000 silver */
+    } else {
+      r->land->money *= 4;
+    }
+  }
   return nfactions;
 }
diff --git a/src/eressea/tolua/helpers.c b/src/eressea/tolua/helpers.c
index bf597bc47..8bf467f29 100644
--- a/src/eressea/tolua/helpers.c
+++ b/src/eressea/tolua/helpers.c
@@ -426,6 +426,7 @@ lua_building_protection(building * b, unit * u)
       lua_pop(L, 1);
     } else {
       result = (int)lua_tonumber(L, -1);
+      lua_pop(L, 1);
     }
   } else {
     log_error(("building_protection(%s, %s) calling '%s': not a function.\n",
@@ -441,9 +442,11 @@ lua_building_taxes(building * b)
   lua_State * L = (lua_State *)global.vm_state;
   const char * fname = "building_taxes";
   double result = 0.0F;
+  int type;
 
   lua_pushstring(L, fname);
   lua_rawget(L, LUA_GLOBALSINDEX);
+  type=lua_type(L, 1);
   if (lua_isfunction(L, 1)) {
     tolua_pushusertype(L, (void *)b, "building");
 
@@ -454,6 +457,7 @@ lua_building_taxes(building * b)
       lua_pop(L, 1);
     } else {
       result = (double)lua_tonumber(L, -1);
+      lua_pop(L, 1);
     }
   } else {
     log_error(("building_taxes(%s) calling '%s': not a function.\n",
diff --git a/src/res/e3a.xml b/src/res/e3a.xml
index 40762acd5..adcbb6181 100644
--- a/src/res/e3a.xml
+++ b/src/res/e3a.xml
@@ -163,7 +163,7 @@
     <param name="rules.economy.herbrot" value="0"/>
     <param name="rules.tactics.formula" value="1"/> <!-- 10% per skilldiff -->
     <param name="rules.help.mask" value="fight guard money"/>
-    <param name="movement.shipspeed.skillbonus" value="7"/>
+    <param name="movement.shipspeed.skillbonus" value="6"/>
     <param name="alliance.auto" value="fight"/>
 	  <param name="alliance.restricted" value="fight"/>
   </game>
diff --git a/src/res/e3a/buildings.xml b/src/res/e3a/buildings.xml
index e9121e6fb..015d57fe4 100644
--- a/src/res/e3a/buildings.xml
+++ b/src/res/e3a/buildings.xml
@@ -20,7 +20,7 @@
 
   <building name="market" capacity="1" maxsize="10">
     <maintenance type="money" amount="200" vital="yes"/>
-    <construction skill="building" minskill="2" reqsize="1">
+    <construction skill="building" minskill="3" reqsize="1">
       <requirement type="log" quantity="1"/>
       <requirement type="stone" quantity="1"/>
     </construction>
diff --git a/src/res/e3a/terrains.xml b/src/res/e3a/terrains.xml
index 6713d04d4..512536c38 100644
--- a/src/res/e3a/terrains.xml
+++ b/src/res/e3a/terrains.xml
@@ -4,18 +4,13 @@
     <terrain name="ocean" size="100" shallow="no" walk="no" swim="yes" land="no" sea="yes" />
     <terrain name="plain" size="4000" road="50" shallow="no" forest="yes" cavalry="yes" seed="3">
         <herb name="h0" />
-        <herb name="h1" />
-        <herb name="h2" />
-        <herb name="h3" />
         <herb name="h4" />
-        <herb name="h5" />
         <resource name="iron" chance="0.1" level="2d4-1" base="5d8" div="2d20+10" />
         <resource name="stone" chance="0.15" level="1d4" base="5d8" div="2d30+20" />
         <resource name="laen" chance="0.01" level="1d4" base="1d4" div="2d20+50" />
     </terrain>
     <terrain name="swamp" size="1200" road="75" seed="2">
         <herb name="h6" />
-        <herb name="h7" />
         <herb name="h8" />
         <resource name="iron" chance="0.02" level="2d4-1" base="5d8" div="2d20+10" />
         <resource name="stone" chance="0.02" level="1d4" base="5d8" div="2d30+20" />
@@ -23,7 +18,6 @@
     </terrain>
     <terrain name="desert" size="400" road="100" cavalry="yes" seed="2">
         <herb name="h9" />
-        <herb name="h10" />
         <herb name="h11" />
         <resource name="iron" chance="0.15" level="2d4-1" base="5d8" div="2d20+10" />
         <resource name="stone" chance="0.25" level="1d4" base="5d8" div="2d30+20" />
@@ -31,7 +25,6 @@
     </terrain>
     <terrain name="highland" size="2300" road="100" cavalry="yes" seed="2">
         <herb name="h12" />
-        <herb name="h13" />
         <herb name="h14" />
         <resource name="iron" chance="0.15" level="2d4-1" base="5d8" div="2d20+10" />
         <resource name="stone" chance="0.25" level="1d4" base="5d8" div="2d30+20" />
@@ -39,7 +32,6 @@
     </terrain>
     <terrain name="mountain" size="600" road="250" seed="2">
         <herb name="h15" />
-        <herb name="h16" />
         <herb name="h17" />
         <resource name="iron" chance="1.0" level="1" base="50" div="50" />
         <resource name="stone" chance="1.0" level="1" base="100" div="100" />
@@ -47,7 +39,6 @@
     </terrain>
     <terrain name="glacier" size="150" road="250" arctic="yes" seed="2">
         <herb name="h18" />
-        <herb name="h19" />
         <herb name="h20" />
         <resource name="iron" chance="1.0" level="1" base="3" div="50" />
         <resource name="stone" chance="1.0" level="1" base="2" div="100" />
@@ -55,7 +46,6 @@
     </terrain>
     <terrain name="iceberg_sleep" size="150" road="250" arctic="yes">
         <herb name="h18" />
-        <herb name="h19" />
         <herb name="h20" />
         <resource name="iron" chance="0.9" level="1" base="3" div="50" />
         <resource name="stone" chance="0.9" level="1" base="2" div="100" />
@@ -63,7 +53,6 @@
     </terrain>
     <terrain name="iceberg" size="150" arctic="yes">
         <herb name="h18" />
-        <herb name="h19" />
         <herb name="h20" />
         <resource name="iron" chance="0.9" level="1" base="3" div="50" />
         <resource name="stone" chance="0.9" level="1" base="2" div="100" />
@@ -81,8 +70,4 @@
         <resource name="stone" chance="0.5" level="1" base="100" div="100" />
         <resource name="laen" chance="0.075" level="1" base="4" div="100" />
     </terrain>
-    <!-- used for the museum only -->
-    <terrain name="hall1" fly="no" />
-    <terrain name="corridor1" fly="no" />
-    <terrain name="wall1" sail="no" walk="no" fly="no" forbidden="yes" />
 </terrains>