You must be sure to keep your implanting surgeon updated on any and all changes in your recovery. Please sure to visit your surgeon prior to leaving and follow post operative instructions very carefully. two hour walk are not suggested post op buttock implants.
Allow me to answer your question as best i can based upon your photos. However, please keep in mind that an in-person consultation with physical exam is first necessary before any legitimate evaluation or final surgical recommendations can be made. That being said, you are in good company with...
You should not see the outline of your buttock implants regardless of placement. A fat transfer around the implant can camouflage the implant if it is visible in rare cases.