Dear Wan,
Sorry for the late reply.
Many thanks for the files and acknowledgement of payment.
Could you kindly help to add one more phrase somewhere in the banner so that there's a bit of English:
Free delivery for any purchases
1 - 31 August 2015
The Thai date has a mistake, it should be untill 31 August.
I understand your limitations on the pricing, I also hope to collaborate with you more but since this is a start-up small business in Thailand, I think they have budget constraints. If the business grows, then maybe the work scope can expand in the future.