diff --git a/src/init.cpp b/src/init.cpp
index b358734f4..45bf9f7ff 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -415,7 +415,7 @@ bool AppInit2()
     {
         if (!ParseMoney(mapArgs["-paytxfee"], nTransactionFee))
             return InitError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%s'"), mapArgs["-paytxfee"].c_str()));
-        if (nTransactionFee > 0.25 * COIN)
+        if (nTransactionFee > 25.0 * COIN)
             InitWarning(_("Warning: -paytxfee is set very high. This is the transaction fee you will pay if you send a transaction."));
     }
 
diff --git a/src/main.cpp b/src/main.cpp
index b8a61cce3..bd66a4523 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -61,7 +61,7 @@ int64 nHPSTimerStart;
 
 // Settings
 int64 nTransactionFee = 0;
-int64 nMinimumInputValue = CENT / 100;
+int64 nMinimumInputValue = CENT;
 
 
 
diff --git a/src/main.h b/src/main.h
index c5777c615..eaa807b90 100644
--- a/src/main.h
+++ b/src/main.h
@@ -31,9 +31,9 @@ static const unsigned int MAX_BLOCK_SIZE = 1000000;
 static const unsigned int MAX_BLOCK_SIZE_GEN = MAX_BLOCK_SIZE/2;
 static const unsigned int MAX_BLOCK_SIGOPS = MAX_BLOCK_SIZE/50;
 static const unsigned int MAX_ORPHAN_TRANSACTIONS = MAX_BLOCK_SIZE/100;
-static const int64 MIN_TX_FEE = 10000;
+static const int64 MIN_TX_FEE = 100000000;
 static const int64 MIN_RELAY_TX_FEE = MIN_TX_FEE;
-static const int64 MAX_MONEY = 500000000 * COIN; // DogeCoin: maximum of 100B coins (given some randomness), max transaction 500,000,000 for now
+static const int64 MAX_MONEY = 10000000000 * COIN; // DogeCoin: maximum of 100B coins (given some randomness), max transaction 10,000,000,000 for now
 inline bool MoneyRange(int64 nValue) { return (nValue >= 0 && nValue <= MAX_MONEY); }
 static const int COINBASE_MATURITY = 30;
 // Threshold for nLockTime: below this value it is interpreted as block number, otherwise as UNIX timestamp.
@@ -540,7 +540,7 @@ public:
     {
         // Large (in bytes) low-priority (new, small-coin) transactions
         // need a fee.
-        return dPriority > COIN * 1440 / 250; // DogeCoin: 1440 blocks found a day. Priority cutoff is 1 dogecoin day / 250 bytes.
+        return dPriority > 100 * COIN * 1440 / 250; // DogeCoin: 1440 blocks found a day. Priority cutoff is 100 dogecoin day / 250 bytes.
     }
 
     int64 GetMinFee(unsigned int nBlockSize=1, bool fAllowFree=true, enum GetMinFee_mode mode=GMF_BLOCK) const
@@ -571,7 +571,7 @@ public:
 
         // To limit dust spam, add MIN_TX_FEE/MIN_RELAY_TX_FEE for any output that is less than 0.01
         BOOST_FOREACH(const CTxOut& txout, vout)
-            if (txout.nValue < CENT)
+            if (txout.nValue < COIN)
                 nMinFee += nBaseFee;
 
         // Raise the price as the block approaches full
diff --git a/src/qt/res/images/wallet_bgcoin.png b/src/qt/res/images/wallet_bgcoin.png
index a60aca2ee..88a053186 100644
Binary files a/src/qt/res/images/wallet_bgcoin.png and b/src/qt/res/images/wallet_bgcoin.png differ
diff --git a/src/wallet.cpp b/src/wallet.cpp
index f828261fe..f710d8321 100644
--- a/src/wallet.cpp
+++ b/src/wallet.cpp
@@ -1125,7 +1125,7 @@ bool CWallet::CreateTransaction(const vector<pair<CScript, int64> >& vecSend, CW
                 // if sub-cent change is required, the fee must be raised to at least MIN_TX_FEE
                 // or until nChange becomes zero
                 // NOTE: this depends on the exact behaviour of GetMinFee
-                if (nFeeRet < MIN_TX_FEE && nChange > 0 && nChange < CENT)
+                if (nFeeRet < MIN_TX_FEE && nChange > 0 && nChange < COIN)
                 {
                     int64 nMoveToFee = min(nChange, MIN_TX_FEE - nFeeRet);
                     nChange -= nMoveToFee;