Hi if you your looking for ideas and inspiration I've got loads of game assets available on my site gamedeveloperstudio.com to help motivate you. The site's a mix of free and extremely affordable quality assets. It's all 2d so it's perfectly suited to construct It's been going for 2 years now and there's over 2000 assets in 500 packs available, Loads of free ones too but even the priced assets won't be beaten on price.
It seems I can only paste plain text urls until I have enough rep so you'll have to copy and paste the link into your nav bar: sorry about that. here's an easier to select version of the link.