do this first to change the minimum drop rate
http://www.rune-server.org/showthread.php?t=213205
by the way: i won't write charms this time (because i couldn't find logs of them)
Code:
npcdrop = 1115	4834	1	10000	//Ourg bones 100%
npcdrop = 1115	995	21000	2600	//21K coins 26%
npcdrop = 1115	3025	3	720	//3 Super restore (4) 7.2%
npcdrop = 1115	1319	1	690	//R2H 6.9%
npcdrop = 1115	561	70	670	//70 Nature runes 6.7%
npcdrop = 1115	1127	1	660	//Rune platebody 6.6%
npcdrop = 1115	3052	3	640	//3 Grimy snapdragons 6.4%
npcdrop = 1115	450	20	630	//20 Adamantite ores 6.3%
npcdrop = 1115	454	120	610	//454 Coal 6.1%
npcdrop = 1115	1303	1	570	//Rune longsword 5.7%
npcdrop = 1115	5300	1	560	//Snapdragon seed 5.6%
npcdrop = 1115	1514	20	540	//20 Magic logs 5.4%
npcdrop = 1115	1275	1	420	//Rune pickaxe 4.2%
npcdrop = 1115	987	1	130	//Half of a key loop 1.3%
npcdrop = 1115	1623	1	80	//Uncut sapphire 0.8%
npcdrop = 1115	985	1	70	//Half of a key tooth 0.7%
npcdrop = 1115	1621	1	32	//Uncut emerald 0.32%
npcdrop = 1115	11724	1	30	//Bandos chest 0.3%
npcdrop = 1115	11704	1	30	//Bandos hilt 0.3%
npcdrop = 1115	563	45	23	//45 Law runes 0.23%
npcdrop = 1115	11726	1	23	//Bandos tassets 0.23%
npcdrop = 1115	11712	1	23	//Godsword shard 2 0.23%
npcdrop = 1115	1289	1	20	//Rune sword 0.2%
npcdrop = 1115	11728	1	20	//Bandos boots 0.2%
npcdrop = 1115	1615	1	20	//Cut dragonstone 0.2%
npcdrop = 1115	560	45	16	//45 Death runes 0.16%
npcdrop = 1115	11714	1	13	//Godsword shard 3 0.13%
npcdrop = 1115	1185	1	13	//Rune sq shield 0.13%
npcdrop = 1115	1617	1	13	//Uncut diamond 0.13%
npcdrop = 1115	11710	1	10	//Godsword shard 1 0.1%
npcdrop = 1115	1149	1	10	//Dragon med helm 0.1%
npcdrop = 1115	1247	1	10	//Rune spear 0.1%
npcdrop = 1115	1619	1	10	//Uncut ruby 0.1% (i dunny why it's rarer //than uncut diamond
npcdrop = 1115	829	20	7	//20 Adamant javelins 0.07%
npcdrop = 1115	1452	1	7	//Chaos talisman 0.07%
npcdrop = 1115	892	42	7	//42 Rune arrows 0.07%
npcdrop = 1115	1373	1	7	//Rune battleaxe 0.07%
npcdrop = 1115	886	155	7	//155 Steel arrows 0.07%
npcdrop = 1115	443	100	3	//100 Silver ores 0.03%