The way to use is very Easy. Just See the explanation WPAmaNuke ASIN Collector .
Just follow the link above for complete explanation. After you bookmarket tools inside the link. Just open any amazon website. After that just click WPAmanuke ASIN Collector in your toolbar. And the ASIN List will be shown in the right sidebar. After that copy all the ASIN to notepad and collect as many as you can. If you think the ASIN has been enough , just copy it to your Fresh Store Builder.